{"title":"GMC Sierra","description":"\u003cp\u003eVehicle-specific subwoofer enclosures built for the GMC Sierra — regular cab, extended\/double cab and crew cab.\u003c\/p\u003e","products":[{"product_id":"ground-shaker-gs-gstcc28b-dual-8-sealed-sub-box-fits-07-26-gmc-sierra-regular-cab","title":"Ground Shaker GS-GSTCC28B Dual 8″ Sealed Sub Box — Fits 07–26 GMC Sierra Regular Cab","description":"\u003cp class=\"wl-intro\"\u003eHere is Ground Shaker's dual 8\" sealed enclosure for the 07–26 GMC Sierra Regular Cab; it sits behind the seat and fires forward. Sealed boxes like this favor tight, accurate bass over sheer volume. It is built from 5\/8\" MDF, carpeted in trunk liner, and glued and siliconed at every seam.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific enclosure for the 07–26 GMC Sierra Regular Cab\u003c\/li\u003e\n\u003cli\u003eDual 8″ sealed design\u003c\/li\u003e\n\u003cli\u003eMounting depth 6 3\/4″\u003c\/li\u003e\n\u003cli\u003e2 individual chambers\u003c\/li\u003e\n\u003cli\u003e5\/8″ high quality MDF wood\u003c\/li\u003e\n\u003cli\u003eCarpeted with durable trunk liner finish\u003c\/li\u003e\n\u003cli\u003eSealed with high quality Titebond silicone\u003c\/li\u003e\n\u003cli\u003eGlued with high quality Titebond wood glue\u003c\/li\u003e\n\u003cli\u003e2 binding post terminals\u003c\/li\u003e\n\u003cli\u003eFits behind seat\u003c\/li\u003e\n\u003cli\u003eForward firing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eGS-GSTCC28B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e07–26 GMC Sierra Regular Cab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eSealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer Size\u003c\/td\u003e\n\u003ctd\u003eDual 8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd\u003e8 7\/8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Air Volume\u003c\/td\u003e\n\u003ctd\u003e1.50 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume Per Subwoofer\u003c\/td\u003e\n\u003ctd\u003e0.75 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e42 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Depth\u003c\/td\u003e\n\u003ctd\u003e6 3\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e13 3\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e53 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop Depth\u003c\/td\u003e\n\u003ctd\u003e5″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBottom Depth\u003c\/td\u003e\n\u003ctd\u003e9″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cem\u003eSubwoofers not included. Price is each.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ground Shaker","offers":[{"title":"Default Title","offer_id":52320124764448,"sku":"GS-GSTCC28B","price":330.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0631\/9904\/files\/gstcc28b-1_907998482.jpg?v=1788924478"},{"product_id":"ground-shaker-gs-gstcc210b-dual-10-sealed-sub-box-fits-07-26-gmc-sierra-regular-cab","title":"Ground Shaker GS-GSTCC210B Dual 10″ Sealed Sub Box — Fits 07–26 GMC Sierra Regular Cab","description":"\u003cp class=\"wl-intro\"\u003eHere is Ground Shaker's dual 10\" sealed enclosure for the 07–26 GMC Sierra Regular Cab; it sits behind the seat and fires forward. It is a sealed box, so expect clean, tight low end that blends with the rest of the system rather than overpowering it. Subwoofers are not included, so bring your own or match it with one from the DS18 lineup.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific enclosure for the 07–26 GMC Sierra Regular Cab\u003c\/li\u003e\n\u003cli\u003eDual 10″ sealed design\u003c\/li\u003e\n\u003cli\u003eMounting depth 6 3\/4″\u003c\/li\u003e\n\u003cli\u003e2 individual chambers\u003c\/li\u003e\n\u003cli\u003e5\/8″ high quality MDF wood\u003c\/li\u003e\n\u003cli\u003eCarpeted with durable trunk liner finish\u003c\/li\u003e\n\u003cli\u003eSealed with high quality Titebond silicone\u003c\/li\u003e\n\u003cli\u003eGlued with high quality Titebond wood glue\u003c\/li\u003e\n\u003cli\u003e2 binding post terminals\u003c\/li\u003e\n\u003cli\u003eFits behind seat\u003c\/li\u003e\n\u003cli\u003eForward firing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eGS-GSTCC210B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e07–26 GMC Sierra Regular Cab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eSealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer Size\u003c\/td\u003e\n\u003ctd\u003eDual 10″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd\u003e9 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Air Volume\u003c\/td\u003e\n\u003ctd\u003e1.50 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume Per Subwoofer\u003c\/td\u003e\n\u003ctd\u003e0.75 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e42 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Depth\u003c\/td\u003e\n\u003ctd\u003e6 3\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e13 3\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e53 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop Depth\u003c\/td\u003e\n\u003ctd\u003e5″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBottom Depth\u003c\/td\u003e\n\u003ctd\u003e9″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cem\u003eSubwoofers not included. Price is each.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ground Shaker","offers":[{"title":"Default Title","offer_id":52320125255968,"sku":"GS-GSTCC210B","price":335.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0631\/9904\/files\/gstcc210b-1_1256859287.jpg?v=1788924480"},{"product_id":"ground-shaker-gs-gstcc212b-dual-12-sealed-sub-box-fits-07-26-gmc-sierra-regular-cab","title":"Ground Shaker GS-GSTCC212B Dual 12″ Sealed Sub Box — Fits 07–26 GMC Sierra Regular Cab","description":"\u003cp class=\"wl-intro\"\u003eThis Ground Shaker dual 12\" sealed enclosure is cut for the 07–26 GMC Sierra Regular Cab; it sits behind the seat and fires forward. It is a sealed box, so expect clean, tight low end that blends with the rest of the system rather than overpowering it. It is built from 5\/8\" MDF, carpeted in trunk liner, and glued and siliconed at every seam.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific enclosure for the 07–26 GMC Sierra Regular Cab\u003c\/li\u003e\n\u003cli\u003eDual 12″ sealed design\u003c\/li\u003e\n\u003cli\u003eMounting depth 6 3\/4″\u003c\/li\u003e\n\u003cli\u003e2 individual chambers\u003c\/li\u003e\n\u003cli\u003e5\/8″ high quality MDF wood\u003c\/li\u003e\n\u003cli\u003eCarpeted with durable trunk liner finish\u003c\/li\u003e\n\u003cli\u003eSealed with high quality Titebond silicone\u003c\/li\u003e\n\u003cli\u003eGlued with high quality Titebond wood glue\u003c\/li\u003e\n\u003cli\u003e2 binding post terminals\u003c\/li\u003e\n\u003cli\u003eFits behind seat\u003c\/li\u003e\n\u003cli\u003eForward firing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eGS-GSTCC212B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e07–26 GMC Sierra Regular Cab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eSealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer Size\u003c\/td\u003e\n\u003ctd\u003eDual 12″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd\u003e11 1\/8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Air Volume\u003c\/td\u003e\n\u003ctd\u003e1.50 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume Per Subwoofer\u003c\/td\u003e\n\u003ctd\u003e0.75 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e41 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Depth\u003c\/td\u003e\n\u003ctd\u003e6 3\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e13 3\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e53 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop Depth\u003c\/td\u003e\n\u003ctd\u003e5″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBottom Depth\u003c\/td\u003e\n\u003ctd\u003e9″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cem\u003eSubwoofers not included. Price is each.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ground Shaker","offers":[{"title":"Default Title","offer_id":52320125485344,"sku":"GS-GSTCC212B","price":340.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0631\/9904\/files\/gstcc212b-1_1268601573.jpg?v=1788924484"},{"product_id":"ground-shaker-gs-gstcckk28b-dual-8-solo-baric-sealed-sub-box-fits-07-26-gmc-sierra-regular-cab","title":"Ground Shaker GS-GSTCCKK28B Dual 8″ Solo-Baric Sealed Sub Box — Fits 07–26 GMC Sierra Regular Cab","description":"\u003cp class=\"wl-intro\"\u003eHere is Ground Shaker's dual 8\" sealed enclosure for the 07–26 GMC Sierra Regular Cab; it sits behind the seat and fires forward. A sealed design keeps the bass controlled and musical, and it puts two 8\" subs where the factory left dead space. It is built from 5\/8\" MDF, carpeted in trunk liner, and glued and siliconed at every seam.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific enclosure for the 07–26 GMC Sierra Regular Cab\u003c\/li\u003e\n\u003cli\u003eDual 8″ sealed design\u003c\/li\u003e\n\u003cli\u003eMounting depth 6 3\/4″\u003c\/li\u003e\n\u003cli\u003e2 individual chambers\u003c\/li\u003e\n\u003cli\u003e5\/8″ high quality MDF wood\u003c\/li\u003e\n\u003cli\u003eCarpeted with durable trunk liner finish\u003c\/li\u003e\n\u003cli\u003eSealed with high quality Titebond silicone\u003c\/li\u003e\n\u003cli\u003eGlued with high quality Titebond wood glue\u003c\/li\u003e\n\u003cli\u003e2 binding post terminals\u003c\/li\u003e\n\u003cli\u003eFits behind seat\u003c\/li\u003e\n\u003cli\u003eForward firing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eGS-GSTCCKK28B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e07–26 GMC Sierra Regular Cab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eSealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer Size\u003c\/td\u003e\n\u003ctd\u003eDual 8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd\u003e7 3\/8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Air Volume\u003c\/td\u003e\n\u003ctd\u003e1.50 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume Per Subwoofer\u003c\/td\u003e\n\u003ctd\u003e0.75 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e42 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Depth\u003c\/td\u003e\n\u003ctd\u003e6 3\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e13 3\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e53 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop Depth\u003c\/td\u003e\n\u003ctd\u003e5″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBottom Depth\u003c\/td\u003e\n\u003ctd\u003e9″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cem\u003eSubwoofers not included. Price is each.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ground Shaker","offers":[{"title":"Default Title","offer_id":52320125714720,"sku":"GS-GSTCCKK28B","price":335.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0631\/9904\/files\/gstcckk28b-2.jpg?v=1788924487"},{"product_id":"ground-shaker-gs-gstcckk210b-dual-10-solo-baric-sealed-sub-box-fits-07-26-gmc-sierra-regular-cab","title":"Ground Shaker GS-GSTCCKK210B Dual 10″ Solo-Baric Sealed Sub Box — Fits 07–26 GMC Sierra Regular Cab","description":"\u003cp class=\"wl-intro\"\u003eBuilt for the 07–26 GMC Sierra Regular Cab, this is Ground Shaker's dual 10\" sealed enclosure, and it sits behind the seat and fires forward. A sealed design keeps the bass controlled and musical, and it puts two 10\" subs where the factory left dead space. The cutout is made for the specific woofer line named in the title, so match your sub model before ordering.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific enclosure for the 07–26 GMC Sierra Regular Cab\u003c\/li\u003e\n\u003cli\u003eDual 10″ sealed design\u003c\/li\u003e\n\u003cli\u003eMounting depth 6 3\/4″\u003c\/li\u003e\n\u003cli\u003e2 individual chambers\u003c\/li\u003e\n\u003cli\u003e5\/8″ high quality MDF wood\u003c\/li\u003e\n\u003cli\u003eCarpeted with durable trunk liner finish\u003c\/li\u003e\n\u003cli\u003eSealed with high quality Titebond silicone\u003c\/li\u003e\n\u003cli\u003eGlued with high quality Titebond wood glue\u003c\/li\u003e\n\u003cli\u003e2 binding post terminals\u003c\/li\u003e\n\u003cli\u003eFits behind seat\u003c\/li\u003e\n\u003cli\u003eForward firing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eGS-GSTCCKK210B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e07–26 GMC Sierra Regular Cab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eSealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer Size\u003c\/td\u003e\n\u003ctd\u003eDual 10″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd\u003e9 3\/8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Air Volume\u003c\/td\u003e\n\u003ctd\u003e1.50 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume Per Subwoofer\u003c\/td\u003e\n\u003ctd\u003e0.75 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e42 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Depth\u003c\/td\u003e\n\u003ctd\u003e6 3\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e13 3\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e53 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop Depth\u003c\/td\u003e\n\u003ctd\u003e5″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBottom Depth\u003c\/td\u003e\n\u003ctd\u003e9″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cem\u003eSubwoofers not included. Price is each.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ground Shaker","offers":[{"title":"Default Title","offer_id":52320126107936,"sku":"GS-GSTCCKK210B","price":340.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0631\/9904\/files\/gstcckk210b-1_1491778247.jpg?v=1788924492"},{"product_id":"ground-shaker-gs-gstcckk212b-dual-12-solo-baric-sealed-sub-box-fits-07-26-gmc-sierra-regular-cab","title":"Ground Shaker GS-GSTCCKK212B Dual 12″ Solo-Baric Sealed Sub Box — Fits 07–26 GMC Sierra Regular Cab","description":"\u003cp class=\"wl-intro\"\u003eBuilt for the 07–26 GMC Sierra Regular Cab, this is Ground Shaker's dual 12\" sealed enclosure, and it sits behind the seat and fires forward. A sealed design keeps the bass controlled and musical, and it puts two 12\" subs where the factory left dead space. The cutout is made for the specific woofer line named in the title, so match your sub model before ordering.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific enclosure for the 07–26 GMC Sierra Regular Cab\u003c\/li\u003e\n\u003cli\u003eDual 12″ sealed design\u003c\/li\u003e\n\u003cli\u003eMounting depth 6 3\/4″\u003c\/li\u003e\n\u003cli\u003e2 individual chambers\u003c\/li\u003e\n\u003cli\u003e5\/8″ high quality MDF wood\u003c\/li\u003e\n\u003cli\u003eCarpeted with durable trunk liner finish\u003c\/li\u003e\n\u003cli\u003eSealed with high quality Titebond silicone\u003c\/li\u003e\n\u003cli\u003eGlued with high quality Titebond wood glue\u003c\/li\u003e\n\u003cli\u003e2 binding post terminals\u003c\/li\u003e\n\u003cli\u003eFits behind seat\u003c\/li\u003e\n\u003cli\u003eForward firing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eGS-GSTCCKK212B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e07–26 GMC Sierra Regular Cab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eSealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer Size\u003c\/td\u003e\n\u003ctd\u003eDual 12″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd\u003e11 1\/8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Air Volume\u003c\/td\u003e\n\u003ctd\u003e1.50 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume Per Subwoofer\u003c\/td\u003e\n\u003ctd\u003e0.75 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e42 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Depth\u003c\/td\u003e\n\u003ctd\u003e6 3\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e13 3\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e53 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop Depth\u003c\/td\u003e\n\u003ctd\u003e5″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBottom Depth\u003c\/td\u003e\n\u003ctd\u003e9″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cem\u003eSubwoofers not included. Price is each.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ground Shaker","offers":[{"title":"Default Title","offer_id":52320126533920,"sku":"GS-GSTCCKK212B","price":345.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0631\/9904\/files\/gstcckk212b-1_1667433576.jpg?v=1788924495"},{"product_id":"ground-shaker-gs-gstcctw3210b-dual-10-tw3-sealed-sub-box-fits-07-26-gmc-sierra-regular-cab","title":"Ground Shaker GS-GSTCCTW3210B Dual 10″ TW3 Sealed Sub Box — Fits 07–26 GMC Sierra Regular Cab","description":"\u003cp class=\"wl-intro\"\u003eBuilt for the 07–26 GMC Sierra Regular Cab, this is Ground Shaker's dual 10\" sealed enclosure, and it sits behind the seat and fires forward. It is a sealed box, so expect clean, tight low end that blends with the rest of the system rather than overpowering it. Subwoofers are not included, so bring your own or match it with one from the DS18 lineup.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific enclosure for the 07–26 GMC Sierra Regular Cab\u003c\/li\u003e\n\u003cli\u003eDual 10″ sealed design\u003c\/li\u003e\n\u003cli\u003eMounting depth 6 3\/4″\u003c\/li\u003e\n\u003cli\u003e2 individual chambers\u003c\/li\u003e\n\u003cli\u003e5\/8″ high quality MDF wood\u003c\/li\u003e\n\u003cli\u003eCarpeted with durable trunk liner finish\u003c\/li\u003e\n\u003cli\u003eSealed with high quality Titebond silicone\u003c\/li\u003e\n\u003cli\u003eGlued with high quality Titebond wood glue\u003c\/li\u003e\n\u003cli\u003e2 binding post terminals\u003c\/li\u003e\n\u003cli\u003eFits behind seat\u003c\/li\u003e\n\u003cli\u003eForward firing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eGS-GSTCCTW3210B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e07–26 GMC Sierra Regular Cab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eSealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer Size\u003c\/td\u003e\n\u003ctd\u003eDual 10″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd\u003e9 5\/8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Air Volume\u003c\/td\u003e\n\u003ctd\u003e1.42 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume Per Subwoofer\u003c\/td\u003e\n\u003ctd\u003e0.71 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e44 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Depth\u003c\/td\u003e\n\u003ctd\u003e6 3\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e13 3\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e53 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop Depth\u003c\/td\u003e\n\u003ctd\u003e5″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBottom Depth\u003c\/td\u003e\n\u003ctd\u003e9″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cem\u003eSubwoofers not included. Price is each.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ground Shaker","offers":[{"title":"Default Title","offer_id":52320126763296,"sku":"GS-GSTCCTW3210B","price":355.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0631\/9904\/files\/gstcctw3210b-1_1135648196.jpg?v=1788924500"},{"product_id":"ground-shaker-gs-gstcctw3212b-dual-12-tw3-sealed-sub-box-fits-07-26-gmc-sierra-regular-cab","title":"Ground Shaker GS-GSTCCTW3212B Dual 12″ TW3 Sealed Sub Box — Fits 07–26 GMC Sierra Regular Cab","description":"\u003cp class=\"wl-intro\"\u003eThis Ground Shaker dual 12\" sealed enclosure is cut for the 07–26 GMC Sierra Regular Cab; it sits behind the seat and fires forward. A sealed design keeps the bass controlled and musical, and it puts two 12\" subs where the factory left dead space. Subwoofers are not included, so bring your own or match it with one from the DS18 lineup.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific enclosure for the 07–26 GMC Sierra Regular Cab\u003c\/li\u003e\n\u003cli\u003eDual 12″ sealed design — 1.42 ft³ air volume\u003c\/li\u003e\n\u003cli\u003eMounting depth 6 3\/4″\u003c\/li\u003e\n\u003cli\u003e2 individual chambers\u003c\/li\u003e\n\u003cli\u003e5\/8″ high quality MDF wood\u003c\/li\u003e\n\u003cli\u003eCarpeted with durable trunk liner finish\u003c\/li\u003e\n\u003cli\u003eSealed with high quality Titebond silicone\u003c\/li\u003e\n\u003cli\u003eGlued with high quality Titebond wood glue\u003c\/li\u003e\n\u003cli\u003e2 binding post terminals\u003c\/li\u003e\n\u003cli\u003eFits behind seat\u003c\/li\u003e\n\u003cli\u003eForward firing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eGS-GSTCCTW3212B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e07–26 GMC Sierra Regular Cab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eSealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer Size\u003c\/td\u003e\n\u003ctd\u003eDual 12″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd\u003e11 5\/8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Volume\u003c\/td\u003e\n\u003ctd\u003e1.42 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume Per Subwoofer\u003c\/td\u003e\n\u003ctd\u003e0.71 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e44 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Depth\u003c\/td\u003e\n\u003ctd\u003e6 3\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e13 3\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e53 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop Depth\u003c\/td\u003e\n\u003ctd\u003e5″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBottom Depth\u003c\/td\u003e\n\u003ctd\u003e9″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cem\u003eSubwoofers not included. Price is each.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ground Shaker","offers":[{"title":"Default Title","offer_id":52320127123744,"sku":"GS-GSTCCTW3212B","price":360.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0631\/9904\/files\/gstcctw3212b-1_1152805032.jpg?v=1788924502"},{"product_id":"ground-shaker-gs-gstcctw5213b-dual-13-tw5-sealed-sub-box-fits-07-26-gmc-sierra-regular-cab","title":"Ground Shaker GS-GSTCCTW5213B Dual 13″ TW5 Sealed Sub Box — Fits 07–26 GMC Sierra Regular Cab","description":"\u003cp class=\"wl-intro\"\u003eHere is Ground Shaker's dual 13\" sealed enclosure for the 07–26 GMC Sierra Regular Cab; it sits behind the seat and fires forward. It is a sealed box, so expect clean, tight low end that blends with the rest of the system rather than overpowering it. The cutout is made for the specific woofer line named in the title, so match your sub model before ordering.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific enclosure for the 07–26 GMC Sierra Regular Cab\u003c\/li\u003e\n\u003cli\u003eDual 13″ sealed design — 1.42 ft³ air volume\u003c\/li\u003e\n\u003cli\u003eMounting depth 6 3\/4″\u003c\/li\u003e\n\u003cli\u003e2 individual chambers\u003c\/li\u003e\n\u003cli\u003e5\/8″ high quality MDF wood\u003c\/li\u003e\n\u003cli\u003eCarpeted with durable trunk liner finish\u003c\/li\u003e\n\u003cli\u003eSealed with high quality Titebond silicone\u003c\/li\u003e\n\u003cli\u003eGlued with high quality Titebond wood glue\u003c\/li\u003e\n\u003cli\u003e2 binding post terminals\u003c\/li\u003e\n\u003cli\u003eFits behind seat\u003c\/li\u003e\n\u003cli\u003eForward firing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eGS-GSTCCTW5213B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e07–26 GMC Sierra Regular Cab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eSealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer Size\u003c\/td\u003e\n\u003ctd\u003eDual 13″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd\u003e12 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Volume\u003c\/td\u003e\n\u003ctd\u003e1.42 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume Per Subwoofer\u003c\/td\u003e\n\u003ctd\u003e0.71 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e43 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Depth\u003c\/td\u003e\n\u003ctd\u003e6 3\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e13 3\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e53 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop Depth\u003c\/td\u003e\n\u003ctd\u003e5″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBottom Depth\u003c\/td\u003e\n\u003ctd\u003e9″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cem\u003eSubwoofers not included. Price is each.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ground Shaker","offers":[{"title":"Default Title","offer_id":52320127222048,"sku":"GS-GSTCCTW5213B","price":365.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0631\/9904\/files\/gstcctw5213b-1_2124873693.jpg?v=1788924506"},{"product_id":"ground-shaker-gs-gstccxlp28b-dual-8-ported-sub-box-fits-07-26-gmc-sierra-regular-cab","title":"Ground Shaker GS-GSTCCXLP28B Dual 8″ Ported Sub Box — Fits 07–26 GMC Sierra Regular Cab","description":"\u003cp class=\"wl-intro\"\u003eBuilt for the 07–26 GMC Sierra Regular Cab, this is Ground Shaker's dual 8\" ported enclosure, and it sits behind the seat and fires forward. The slot port tuned to 36 Hz gives two 8\" subs noticeably more low-end punch than a sealed box of the same footprint with 1.70 cubic feet of air volume.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific enclosure for the 07–26 GMC Sierra Regular Cab\u003c\/li\u003e\n\u003cli\u003eDual 8″ ported design — 1.70 ft³ air volume, tuned to 36 Hz\u003c\/li\u003e\n\u003cli\u003e2 slot ports (H-2″ W-4″ L-17 1\/2″)\u003c\/li\u003e\n\u003cli\u003eMounting depth 10 1\/2″\u003c\/li\u003e\n\u003cli\u003e3\/4″ high quality MDF wood\u003c\/li\u003e\n\u003cli\u003eCarpeted with durable trunk liner finish\u003c\/li\u003e\n\u003cli\u003eSealed with high quality Titebond silicone\u003c\/li\u003e\n\u003cli\u003eGlued with high quality Titebond wood glue\u003c\/li\u003e\n\u003cli\u003e2 spring loaded terminals\u003c\/li\u003e\n\u003cli\u003eFits behind seat\u003c\/li\u003e\n\u003cli\u003eForward firing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eGS-GSTCCXLP28B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e07–26 GMC Sierra Regular Cab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003ePorted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer Size\u003c\/td\u003e\n\u003ctd\u003eDual 8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd\u003e7 1\/8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Volume\u003c\/td\u003e\n\u003ctd\u003e1.70 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTuning Frequency\u003c\/td\u003e\n\u003ctd\u003e36 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePorts\u003c\/td\u003e\n\u003ctd\u003e2 slot ports (H-2″ W-4″ L-17 1\/2″)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePort Area\u003c\/td\u003e\n\u003ctd\u003e8 IN2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e52 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Depth\u003c\/td\u003e\n\u003ctd\u003e10 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e15″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e49″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop Depth\u003c\/td\u003e\n\u003ctd\u003e6″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBottom Depth\u003c\/td\u003e\n\u003ctd\u003e10 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eSubwoofer option\u003c\/h2\u003e\u003cp\u003eAdd two DS18 SRW8.4 shallow-mount 8\" subwoofers — 150W RMS \/ 300W MAX, SVC 4-ohm, 2.95\" mounting depth, 7.12\" front-mount cutout per DS18's dimension drawing — and they ship with the box, one per woofer opening. This box is cut 7 1\/8″ with 10 1\/2″ of mounting depth, so the SRW8.4 fits as shipped. Choose \"Box only\" to buy the enclosure alone.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eBox-only option: subwoofers not included. Price is each.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ground Shaker","offers":[{"title":"Box only","offer_id":52320127385888,"sku":"GS-GSTCCXLP28B","price":340.0,"currency_code":"USD","in_stock":true},{"title":"+ 2× DS18 SRW8.4 shallow 8\" (150W RMS each)","offer_id":67796722483488,"sku":"GS-GSTCCXLP28B+SRW8.4.2PK","price":563.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0631\/9904\/files\/gstccxl28b-1.jpg?v=1788924509"},{"product_id":"ground-shaker-gs-stgm28b-dual-8-sealed-sub-box-fits-99-06-gmc-sierra-regular-cab","title":"Ground Shaker GS-STGM28B Dual 8″ Sealed Sub Box — Fits 99–06 GMC Sierra Regular Cab","description":"\u003cp class=\"wl-intro\"\u003eIf you drive a 99–06 GMC Sierra Regular Cab, this Ground Shaker dual 8\" sealed enclosure was shaped for it: it sits behind the seat and fires forward. A sealed design keeps the bass controlled and musical, and it puts two 8\" subs where the factory left dead space. Each woofer gets its own chamber, which keeps them from fighting each other.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific enclosure for the 99–06 GMC Sierra Regular Cab\u003c\/li\u003e\n\u003cli\u003eDual 8″ sealed design\u003c\/li\u003e\n\u003cli\u003eMounting depth 7″\u003c\/li\u003e\n\u003cli\u003e2 individual chambers\u003c\/li\u003e\n\u003cli\u003e5\/8″ high quality MDF wood\u003c\/li\u003e\n\u003cli\u003eCarpeted with durable trunk liner finish\u003c\/li\u003e\n\u003cli\u003eSealed with high quality Titebond silicone\u003c\/li\u003e\n\u003cli\u003eGlued with high quality Titebond wood glue\u003c\/li\u003e\n\u003cli\u003e2 spring loaded terminals\u003c\/li\u003e\n\u003cli\u003eFits behind seat\u003c\/li\u003e\n\u003cli\u003eForward firing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eGS-STGM28B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e99–06 GMC Sierra Regular Cab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eSealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer Size\u003c\/td\u003e\n\u003ctd\u003eDual 8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd\u003e7 1\/8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Air Volume\u003c\/td\u003e\n\u003ctd\u003e2.40 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume Per Subwoofer\u003c\/td\u003e\n\u003ctd\u003e1.20 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e43 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Depth\u003c\/td\u003e\n\u003ctd\u003e7″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e16 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e48 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop Depth\u003c\/td\u003e\n\u003ctd\u003e5 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBottom Depth\u003c\/td\u003e\n\u003ctd\u003e9 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eSubwoofer option\u003c\/h2\u003e\u003cp\u003eAdd two DS18 SRW8.4 shallow-mount 8\" subwoofers — 150W RMS \/ 300W MAX, SVC 4-ohm, 2.95\" mounting depth, 7.12\" front-mount cutout per DS18's dimension drawing — and they ship with the box, one per woofer opening. This box is cut 7 1\/8″ with 7″ of mounting depth, so the SRW8.4 fits as shipped. Choose \"Box only\" to buy the enclosure alone.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eBox-only option: subwoofers not included. Price is each.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ground Shaker","offers":[{"title":"Box only","offer_id":52320127516960,"sku":"GS-STGM28B","price":310.0,"currency_code":"USD","in_stock":true},{"title":"+ 2× DS18 SRW8.4 shallow 8\" (150W RMS each)","offer_id":67796722647328,"sku":"GS-STGM28B+SRW8.4.2PK","price":533.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0631\/9904\/files\/stgm28b-1.jpg?v=1788924512"},{"product_id":"ground-shaker-gs-stgm210b-dual-10-sealed-sub-box-fits-99-06-gmc-sierra-regular-cab","title":"Ground Shaker GS-STGM210B Dual 10″ Sealed Sub Box — Fits 99–06 GMC Sierra Regular Cab","description":"\u003cp class=\"wl-intro\"\u003eBuilt for the 99–06 GMC Sierra Regular Cab, this is Ground Shaker's dual 10\" sealed enclosure, and it sits behind the seat and fires forward. Sealed boxes like this favor tight, accurate bass over sheer volume. Subwoofers are not included, so bring your own or match it with one from the DS18 lineup.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific enclosure for the 99–06 GMC Sierra Regular Cab\u003c\/li\u003e\n\u003cli\u003eDual 10″ sealed design\u003c\/li\u003e\n\u003cli\u003eMounting depth 7″\u003c\/li\u003e\n\u003cli\u003e2 individual chambers\u003c\/li\u003e\n\u003cli\u003e5\/8″ high quality MDF wood\u003c\/li\u003e\n\u003cli\u003eCarpeted with durable trunk liner finish\u003c\/li\u003e\n\u003cli\u003eSealed with high quality Titebond silicone\u003c\/li\u003e\n\u003cli\u003eGlued with high quality Titebond wood glue\u003c\/li\u003e\n\u003cli\u003e2 spring loaded terminals\u003c\/li\u003e\n\u003cli\u003eFits behind seat\u003c\/li\u003e\n\u003cli\u003eForward firing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eGS-STGM210B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e99–06 GMC Sierra Regular Cab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eSealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer Size\u003c\/td\u003e\n\u003ctd\u003eDual 10″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd\u003e9 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Air Volume\u003c\/td\u003e\n\u003ctd\u003e2.40 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume Per Subwoofer\u003c\/td\u003e\n\u003ctd\u003e1.20 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e43 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Depth\u003c\/td\u003e\n\u003ctd\u003e7″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e16 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e48 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop Depth\u003c\/td\u003e\n\u003ctd\u003e5 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBottom Depth\u003c\/td\u003e\n\u003ctd\u003e9 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cem\u003eSubwoofers not included. Price is each.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ground Shaker","offers":[{"title":"Default Title","offer_id":52320127615264,"sku":"GS-STGM210B","price":315.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0631\/9904\/files\/stgm210b-1.jpg?v=1788924515"},{"product_id":"ground-shaker-gs-stgm212b-dual-12-sealed-sub-box-fits-99-06-gmc-sierra-regular-cab","title":"Ground Shaker GS-STGM212B Dual 12″ Sealed Sub Box — Fits 99–06 GMC Sierra Regular Cab","description":"\u003cp class=\"wl-intro\"\u003eIf you drive a 99–06 GMC Sierra Regular Cab, this Ground Shaker dual 12\" sealed enclosure was shaped for it: it sits behind the seat and fires forward. Sealed boxes like this favor tight, accurate bass over sheer volume. It is built from 5\/8\" MDF, carpeted in trunk liner, and glued and siliconed at every seam.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific enclosure for the 99–06 GMC Sierra Regular Cab\u003c\/li\u003e\n\u003cli\u003eDual 12″ sealed design\u003c\/li\u003e\n\u003cli\u003eMounting depth 7″\u003c\/li\u003e\n\u003cli\u003e2 individual chambers\u003c\/li\u003e\n\u003cli\u003e5\/8″ high quality MDF wood\u003c\/li\u003e\n\u003cli\u003eCarpeted with durable trunk liner finish\u003c\/li\u003e\n\u003cli\u003eSealed with high quality Titebond silicone\u003c\/li\u003e\n\u003cli\u003eGlued with high quality Titebond wood glue\u003c\/li\u003e\n\u003cli\u003e2 spring loaded terminals\u003c\/li\u003e\n\u003cli\u003eFits behind seat\u003c\/li\u003e\n\u003cli\u003eForward firing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eGS-STGM212B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e99–06 GMC Sierra Regular Cab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eSealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer Size\u003c\/td\u003e\n\u003ctd\u003eDual 12″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd\u003e11 1\/8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Air Volume\u003c\/td\u003e\n\u003ctd\u003e2.40 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume Per Subwoofer\u003c\/td\u003e\n\u003ctd\u003e1.20 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e43 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Depth\u003c\/td\u003e\n\u003ctd\u003e7″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e16 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e48 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop Depth\u003c\/td\u003e\n\u003ctd\u003e5 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBottom Depth\u003c\/td\u003e\n\u003ctd\u003e9 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cem\u003eSubwoofers not included. Price is each.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ground Shaker","offers":[{"title":"Default Title","offer_id":52320127680800,"sku":"GS-STGM212B","price":320.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0631\/9904\/files\/stgm212b-1.jpg?v=1788924519"},{"product_id":"ground-shaker-gs-stgm38b-triple-8-sealed-sub-box-fits-99-06-gmc-sierra-regular-cab","title":"Ground Shaker GS-STGM38B Triple 8″ Sealed Sub Box — Fits 99–06 GMC Sierra Regular Cab","description":"\u003cp class=\"wl-intro\"\u003eThis Ground Shaker triple 8\" sealed enclosure is cut for the 99–06 GMC Sierra Regular Cab; it sits behind the seat and fires forward. Sealed boxes like this favor tight, accurate bass over sheer volume. It is sold as the box only; if you want it ready to wire, choose the matching DS18 subwoofers from the option menu.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific enclosure for the 99–06 GMC Sierra Regular Cab\u003c\/li\u003e\n\u003cli\u003eTriple 8″ sealed design — 2.40 ft³ air volume\u003c\/li\u003e\n\u003cli\u003eMounting depth 7″\u003c\/li\u003e\n\u003cli\u003e5\/8″ high quality MDF wood\u003c\/li\u003e\n\u003cli\u003eCarpeted with durable trunk liner finish\u003c\/li\u003e\n\u003cli\u003eSealed with high quality Titebond silicone\u003c\/li\u003e\n\u003cli\u003eGlued with high quality Titebond wood glue\u003c\/li\u003e\n\u003cli\u003e1 spring loaded terminal\u003c\/li\u003e\n\u003cli\u003eFits behind seat\u003c\/li\u003e\n\u003cli\u003eForward firing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eGS-STGM38B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e99–06 GMC Sierra Regular Cab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eSealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer Size\u003c\/td\u003e\n\u003ctd\u003eTriple 8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd\u003e7 1\/8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Volume\u003c\/td\u003e\n\u003ctd\u003e2.40 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e44 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Depth\u003c\/td\u003e\n\u003ctd\u003e7″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e16 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e48 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop Depth\u003c\/td\u003e\n\u003ctd\u003e5 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBottom Depth\u003c\/td\u003e\n\u003ctd\u003e9 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eSubwoofer option\u003c\/h2\u003e\u003cp\u003eAdd three DS18 SRW8.4 shallow-mount 8\" subwoofers — 150W RMS \/ 300W MAX, SVC 4-ohm, 2.95\" mounting depth, 7.12\" front-mount cutout per DS18's dimension drawing — and they ship with the box, one per woofer opening. This box is cut 7 1\/8″ with 7″ of mounting depth, so the SRW8.4 fits as shipped. Choose \"Box only\" to buy the enclosure alone.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eBox-only option: subwoofers not included. Price is each.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ground Shaker","offers":[{"title":"Box only","offer_id":52320127779104,"sku":"GS-STGM38B","price":305.0,"currency_code":"USD","in_stock":true},{"title":"+ 3× DS18 SRW8.4 shallow 8\" (150W RMS each)","offer_id":67796723237152,"sku":"GS-STGM38B+SRW8.4.3PK","price":640.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0631\/9904\/files\/stgm38b-1.jpg?v=1788924521"},{"product_id":"ground-shaker-gs-stgm310b-triple-10-sealed-sub-box-fits-99-06-gmc-sierra-regular-cab","title":"Ground Shaker GS-STGM310B Triple 10″ Sealed Sub Box — Fits 99–06 GMC Sierra Regular Cab","description":"\u003cp class=\"wl-intro\"\u003eThis Ground Shaker triple 10\" sealed enclosure is cut for the 99–06 GMC Sierra Regular Cab; it sits behind the seat and fires forward. Sealed boxes like this favor tight, accurate bass over sheer volume. Subwoofers are not included, so bring your own or match it with one from the DS18 lineup.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific enclosure for the 99–06 GMC Sierra Regular Cab\u003c\/li\u003e\n\u003cli\u003eTriple 10″ sealed design — 2.40 ft³ air volume\u003c\/li\u003e\n\u003cli\u003eMounting depth 7″\u003c\/li\u003e\n\u003cli\u003e5\/8″ high quality MDF wood\u003c\/li\u003e\n\u003cli\u003eCarpeted with durable trunk liner finish\u003c\/li\u003e\n\u003cli\u003eSealed with high quality Titebond silicone\u003c\/li\u003e\n\u003cli\u003eGlued with high quality Titebond wood glue\u003c\/li\u003e\n\u003cli\u003e1 spring loaded terminal\u003c\/li\u003e\n\u003cli\u003eFits behind seat\u003c\/li\u003e\n\u003cli\u003eForward firing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eGS-STGM310B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e99–06 GMC Sierra Regular Cab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eSealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer Size\u003c\/td\u003e\n\u003ctd\u003eTriple 10″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd\u003e9 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Volume\u003c\/td\u003e\n\u003ctd\u003e2.40 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e44 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Depth\u003c\/td\u003e\n\u003ctd\u003e7″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e16 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e48 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop Depth\u003c\/td\u003e\n\u003ctd\u003e5 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBottom Depth\u003c\/td\u003e\n\u003ctd\u003e9 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cem\u003eSubwoofers not included. Price is each.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ground Shaker","offers":[{"title":"Default Title","offer_id":52320128008480,"sku":"GS-STGM310B","price":310.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0631\/9904\/files\/stgm310b-1.jpg?v=1788924524"},{"product_id":"ground-shaker-gs-stgm312b-triple-12-sealed-sub-box-fits-99-06-gmc-sierra-regular-cab","title":"Ground Shaker GS-STGM312B Triple 12″ Sealed Sub Box — Fits 99–06 GMC Sierra Regular Cab","description":"\u003cp class=\"wl-intro\"\u003eBuilt for the 99–06 GMC Sierra Regular Cab, this is Ground Shaker's triple 12\" sealed enclosure, and it sits behind the seat and fires forward. A sealed design keeps the bass controlled and musical, and it puts three 12\" subs where the factory left dead space. Subwoofers are not included, so bring your own or match it with one from the DS18 lineup.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific enclosure for the 99–06 GMC Sierra Regular Cab\u003c\/li\u003e\n\u003cli\u003eTriple 12″ sealed design — 2.40 ft³ air volume\u003c\/li\u003e\n\u003cli\u003eMounting depth 7″\u003c\/li\u003e\n\u003cli\u003e5\/8″ high quality MDF wood\u003c\/li\u003e\n\u003cli\u003eCarpeted with durable trunk liner finish\u003c\/li\u003e\n\u003cli\u003eSealed with high quality Titebond silicone\u003c\/li\u003e\n\u003cli\u003eGlued with high quality Titebond wood glue\u003c\/li\u003e\n\u003cli\u003e1 spring loaded terminal\u003c\/li\u003e\n\u003cli\u003eFits behind seat\u003c\/li\u003e\n\u003cli\u003eForward firing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eGS-STGM312B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e99–06 GMC Sierra Regular Cab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eSealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer Size\u003c\/td\u003e\n\u003ctd\u003eTriple 12″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd\u003e11 1\/8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Volume\u003c\/td\u003e\n\u003ctd\u003e2.40 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e44 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Depth\u003c\/td\u003e\n\u003ctd\u003e7″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e16 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e48 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop Depth\u003c\/td\u003e\n\u003ctd\u003e5 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBottom Depth\u003c\/td\u003e\n\u003ctd\u003e9 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cem\u003eSubwoofers not included. Price is each.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ground Shaker","offers":[{"title":"Default Title","offer_id":52320128139552,"sku":"GS-STGM312B","price":315.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0631\/9904\/files\/stgm312b-2.jpg?v=1788924527"},{"product_id":"ground-shaker-gs-stgmkk28b-dual-8-solo-baric-sealed-sub-box-fits-99-06-gmc-sierra-regular-cab","title":"Ground Shaker GS-STGMKK28B Dual 8″ Solo-Baric Sealed Sub Box — Fits 99–06 GMC Sierra Regular Cab","description":"\u003cp class=\"wl-intro\"\u003eHere is Ground Shaker's dual 8\" sealed enclosure for the 99–06 GMC Sierra Regular Cab; it sits behind the seat and fires forward. Sealed boxes like this favor tight, accurate bass over sheer volume. It is built from 5\/8\" MDF, carpeted in trunk liner, and glued and siliconed at every seam.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific enclosure for the 99–06 GMC Sierra Regular Cab\u003c\/li\u003e\n\u003cli\u003eDual 8″ sealed design — 2.40 ft³ air volume\u003c\/li\u003e\n\u003cli\u003eMounting depth 7″\u003c\/li\u003e\n\u003cli\u003e2 individual chambers\u003c\/li\u003e\n\u003cli\u003e5\/8″ high quality MDF wood\u003c\/li\u003e\n\u003cli\u003eCarpeted with durable trunk liner finish\u003c\/li\u003e\n\u003cli\u003eSealed with high quality Titebond silicone\u003c\/li\u003e\n\u003cli\u003eGlued with high quality Titebond wood glue\u003c\/li\u003e\n\u003cli\u003e2 spring loaded terminals\u003c\/li\u003e\n\u003cli\u003eFits behind seat\u003c\/li\u003e\n\u003cli\u003eForward firing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eGS-STGMKK28B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e99–06 GMC Sierra Regular Cab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eSealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer Size\u003c\/td\u003e\n\u003ctd\u003eDual 8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd\u003e7 3\/8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Volume\u003c\/td\u003e\n\u003ctd\u003e2.40 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume Per Subwoofer\u003c\/td\u003e\n\u003ctd\u003e1.20 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e43 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Depth\u003c\/td\u003e\n\u003ctd\u003e7″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e16 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e48 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop Depth\u003c\/td\u003e\n\u003ctd\u003e5 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBottom Depth\u003c\/td\u003e\n\u003ctd\u003e9 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cem\u003eSubwoofers not included. Price is each.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ground Shaker","offers":[{"title":"Default Title","offer_id":52320128270624,"sku":"GS-STGMKK28B","price":295.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0631\/9904\/files\/stgmkk28b-1.jpg?v=1788924531"},{"product_id":"ground-shaker-gs-stgmkk210b-dual-10-solo-baric-sealed-sub-box-fits-99-06-gmc-sierra-regular-cab","title":"Ground Shaker GS-STGMKK210B Dual 10″ Solo-Baric Sealed Sub Box — Fits 99–06 GMC Sierra Regular Cab","description":"\u003cp class=\"wl-intro\"\u003eIf you drive a 99–06 GMC Sierra Regular Cab, this Ground Shaker dual 10\" sealed enclosure was shaped for it: it sits behind the seat and fires forward. It is a sealed box, so expect clean, tight low end that blends with the rest of the system rather than overpowering it. It is built from 5\/8\" MDF, carpeted in trunk liner, and glued and siliconed at every seam.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific enclosure for the 99–06 GMC Sierra Regular Cab\u003c\/li\u003e\n\u003cli\u003eDual 10″ sealed design — 2.40 ft³ air volume\u003c\/li\u003e\n\u003cli\u003eMounting depth 7″\u003c\/li\u003e\n\u003cli\u003e2 individual chambers\u003c\/li\u003e\n\u003cli\u003e5\/8″ high quality MDF wood\u003c\/li\u003e\n\u003cli\u003eCarpeted with durable trunk liner finish\u003c\/li\u003e\n\u003cli\u003eSealed with high quality Titebond silicone\u003c\/li\u003e\n\u003cli\u003eGlued with high quality Titebond wood glue\u003c\/li\u003e\n\u003cli\u003e2 spring loaded terminals\u003c\/li\u003e\n\u003cli\u003eFits behind seat\u003c\/li\u003e\n\u003cli\u003eForward firing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eGS-STGMKK210B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e99–06 GMC Sierra Regular Cab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eSealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer Size\u003c\/td\u003e\n\u003ctd\u003eDual 10″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd\u003e9 3\/8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Volume\u003c\/td\u003e\n\u003ctd\u003e2.40 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume Per Subwoofer\u003c\/td\u003e\n\u003ctd\u003e1.20 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e43 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Depth\u003c\/td\u003e\n\u003ctd\u003e7″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e16 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e48 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop Depth\u003c\/td\u003e\n\u003ctd\u003e5 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBottom Depth\u003c\/td\u003e\n\u003ctd\u003e9 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cem\u003eSubwoofers not included. Price is each.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ground Shaker","offers":[{"title":"Default Title","offer_id":52320128401696,"sku":"GS-STGMKK210B","price":300.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0631\/9904\/files\/stgmkk210b-1.jpg?v=1788924534"},{"product_id":"ground-shaker-gs-stgmkk212b-dual-12-solo-baric-sealed-sub-box-fits-99-06-gmc-sierra-regular-cab","title":"Ground Shaker GS-STGMKK212B Dual 12″ Solo-Baric Sealed Sub Box — Fits 99–06 GMC Sierra Regular Cab","description":"\u003cp class=\"wl-intro\"\u003eBuilt for the 99–06 GMC Sierra Regular Cab, this is Ground Shaker's dual 12\" sealed enclosure, and it sits behind the seat and fires forward. It is a sealed box, so expect clean, tight low end that blends with the rest of the system rather than overpowering it. The cutout is made for the specific woofer line named in the title, so match your sub model before ordering.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific enclosure for the 99–06 GMC Sierra Regular Cab\u003c\/li\u003e\n\u003cli\u003eDual 12″ sealed design — 2.40 ft³ air volume\u003c\/li\u003e\n\u003cli\u003eMounting depth 7″\u003c\/li\u003e\n\u003cli\u003e2 individual chambers\u003c\/li\u003e\n\u003cli\u003e5\/8″ high quality MDF wood\u003c\/li\u003e\n\u003cli\u003eCarpeted with durable trunk liner finish\u003c\/li\u003e\n\u003cli\u003eSealed with high quality Titebond silicone\u003c\/li\u003e\n\u003cli\u003eGlued with high quality Titebond wood glue\u003c\/li\u003e\n\u003cli\u003e2 spring loaded terminals\u003c\/li\u003e\n\u003cli\u003eFits behind seat\u003c\/li\u003e\n\u003cli\u003eForward firing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eGS-STGMKK212B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e99–06 GMC Sierra Regular Cab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eSealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer Size\u003c\/td\u003e\n\u003ctd\u003eDual 12″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd\u003e11 1\/8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Volume\u003c\/td\u003e\n\u003ctd\u003e2.40 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume Per Subwoofer\u003c\/td\u003e\n\u003ctd\u003e1.20 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e43 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Depth\u003c\/td\u003e\n\u003ctd\u003e7″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e16 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e48 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop Depth\u003c\/td\u003e\n\u003ctd\u003e5 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBottom Depth\u003c\/td\u003e\n\u003ctd\u003e9 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cem\u003eSubwoofers not included. Price is each.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ground Shaker","offers":[{"title":"Default Title","offer_id":52320128500000,"sku":"GS-STGMKK212B","price":305.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0631\/9904\/files\/stgmkk212b-1.jpg?v=1788924537"},{"product_id":"ground-shaker-gs-stgmkk38b-triple-8-solo-baric-sealed-sub-box-fits-99-06-gmc-sierra-regular-cab","title":"Ground Shaker GS-STGMKK38B Triple 8″ Solo-Baric Sealed Sub Box — Fits 99–06 GMC Sierra Regular Cab","description":"\u003cp class=\"wl-intro\"\u003eHere is Ground Shaker's triple 8\" sealed enclosure for the 99–06 GMC Sierra Regular Cab; it sits behind the seat and fires forward. A sealed design keeps the bass controlled and musical, and it puts three 8\" subs where the factory left dead space. The cutout is made for the specific woofer line named in the title, so match your sub model before ordering.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific enclosure for the 99–06 GMC Sierra Regular Cab\u003c\/li\u003e\n\u003cli\u003eTriple 8″ sealed design — 2.40 ft³ air volume\u003c\/li\u003e\n\u003cli\u003eMounting depth 7″\u003c\/li\u003e\n\u003cli\u003e5\/8″ high quality MDF wood\u003c\/li\u003e\n\u003cli\u003eCarpeted with durable trunk liner finish\u003c\/li\u003e\n\u003cli\u003eSealed with high quality Titebond silicone\u003c\/li\u003e\n\u003cli\u003eGlued with high quality Titebond wood glue\u003c\/li\u003e\n\u003cli\u003e1 spring loaded terminal\u003c\/li\u003e\n\u003cli\u003eFits behind seat\u003c\/li\u003e\n\u003cli\u003eForward firing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eGS-STGMKK38B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e99–06 GMC Sierra Regular Cab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eSealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer Size\u003c\/td\u003e\n\u003ctd\u003eTriple 8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd\u003e7 3\/8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Volume\u003c\/td\u003e\n\u003ctd\u003e2.40 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e44 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Depth\u003c\/td\u003e\n\u003ctd\u003e7″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e16 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e48 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop Depth\u003c\/td\u003e\n\u003ctd\u003e5 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBottom Depth\u003c\/td\u003e\n\u003ctd\u003e9 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cem\u003eSubwoofers not included. Price is each.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ground Shaker","offers":[{"title":"Default Title","offer_id":52320128762144,"sku":"GS-STGMKK38B","price":310.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0631\/9904\/files\/stgmkk38b-1.jpg?v=1788924541"},{"product_id":"ground-shaker-gs-stgmkk310b-triple-10-solo-baric-sealed-sub-box-fits-99-06-gmc-sierra-regular-cab","title":"Ground Shaker GS-STGMKK310B Triple 10″ Solo-Baric Sealed Sub Box — Fits 99–06 GMC Sierra Regular Cab","description":"\u003cp class=\"wl-intro\"\u003eBuilt for the 99–06 GMC Sierra Regular Cab, this is Ground Shaker's triple 10\" sealed enclosure, and it sits behind the seat and fires forward. Sealed boxes like this favor tight, accurate bass over sheer volume. The cutout is made for the specific woofer line named in the title, so match your sub model before ordering.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific enclosure for the 99–06 GMC Sierra Regular Cab\u003c\/li\u003e\n\u003cli\u003eTriple 10″ sealed design — 2.40 ft³ air volume\u003c\/li\u003e\n\u003cli\u003eMounting depth 7″\u003c\/li\u003e\n\u003cli\u003e5\/8″ high quality MDF wood\u003c\/li\u003e\n\u003cli\u003eCarpeted with durable trunk liner finish\u003c\/li\u003e\n\u003cli\u003eSealed with high quality Titebond silicone\u003c\/li\u003e\n\u003cli\u003eGlued with high quality Titebond wood glue\u003c\/li\u003e\n\u003cli\u003e1 spring loaded terminal\u003c\/li\u003e\n\u003cli\u003eFits behind seat\u003c\/li\u003e\n\u003cli\u003eForward firing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eGS-STGMKK310B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e99–06 GMC Sierra Regular Cab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eSealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer Size\u003c\/td\u003e\n\u003ctd\u003eTriple 10″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd\u003e9 3\/8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Volume\u003c\/td\u003e\n\u003ctd\u003e2.40 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e44 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Depth\u003c\/td\u003e\n\u003ctd\u003e7″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e16 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e48 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop Depth\u003c\/td\u003e\n\u003ctd\u003e5 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBottom Depth\u003c\/td\u003e\n\u003ctd\u003e9 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cem\u003eSubwoofers not included. Price is each.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ground Shaker","offers":[{"title":"Default Title","offer_id":52320128893216,"sku":"GS-STGMKK310B","price":315.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0631\/9904\/files\/stgmkk310b-1_1046292367.jpg?v=1788924544"},{"product_id":"ground-shaker-gs-stgmkk312b-triple-12-solo-baric-sealed-sub-box-fits-99-06-gmc-sierra-regular-cab","title":"Ground Shaker GS-STGMKK312B Triple 12″ Solo-Baric Sealed Sub Box — Fits 99–06 GMC Sierra Regular Cab","description":"\u003cp class=\"wl-intro\"\u003eHere is Ground Shaker's triple 12\" sealed enclosure for the 99–06 GMC Sierra Regular Cab; it sits behind the seat and fires forward. It is a sealed box, so expect clean, tight low end that blends with the rest of the system rather than overpowering it. The cutout is made for the specific woofer line named in the title, so match your sub model before ordering.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific enclosure for the 99–06 GMC Sierra Regular Cab\u003c\/li\u003e\n\u003cli\u003eTriple 12″ sealed design — 2.40 ft³ air volume\u003c\/li\u003e\n\u003cli\u003eMounting depth 7″\u003c\/li\u003e\n\u003cli\u003e5\/8″ high quality MDF wood\u003c\/li\u003e\n\u003cli\u003eCarpeted with durable trunk liner finish\u003c\/li\u003e\n\u003cli\u003eSealed with high quality Titebond silicone\u003c\/li\u003e\n\u003cli\u003eGlued with high quality Titebond wood glue\u003c\/li\u003e\n\u003cli\u003e1 spring loaded terminal\u003c\/li\u003e\n\u003cli\u003eFits behind seat\u003c\/li\u003e\n\u003cli\u003eForward firing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eGS-STGMKK312B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e99–06 GMC Sierra Regular Cab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eSealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer Size\u003c\/td\u003e\n\u003ctd\u003eTriple 12″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd\u003e11 1\/8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Volume\u003c\/td\u003e\n\u003ctd\u003e2.40 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e44 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Depth\u003c\/td\u003e\n\u003ctd\u003e7″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e16 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e48 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop Depth\u003c\/td\u003e\n\u003ctd\u003e5 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBottom Depth\u003c\/td\u003e\n\u003ctd\u003e9 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cem\u003eSubwoofers not included. Price is each.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ground Shaker","offers":[{"title":"Default Title","offer_id":52320128991520,"sku":"GS-STGMKK312B","price":320.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0631\/9904\/files\/stgmkk312b-1.jpg?v=1788924547"},{"product_id":"ground-shaker-gs-jgm18b-single-8-sealed-sub-box-fits-07-18-gmc-sierra-extended-cab","title":"Ground Shaker GS-JGM18B Single 8″ Sealed Sub Box — Fits 07–18 GMC Sierra Extended Cab","description":"\u003cp class=\"wl-intro\"\u003eIf you drive a 07–18 GMC Sierra Extended Cab, this Ground Shaker single 8\" sealed enclosure was shaped for it: it sits under the rear seat on the driver side and fires down. It is a sealed box, so expect clean, tight low end that blends with the rest of the system rather than overpowering it, and the 0.68 cubic feet of air volume suits most 8\" subs.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific enclosure for the 07–18 GMC Sierra Extended Cab\u003c\/li\u003e\n\u003cli\u003eSingle 8″ sealed design — 0.68 ft³ air volume\u003c\/li\u003e\n\u003cli\u003eMounting depth 6″\u003c\/li\u003e\n\u003cli\u003e5\/8″ high quality MDF wood\u003c\/li\u003e\n\u003cli\u003eCarpeted with durable trunk liner finish\u003c\/li\u003e\n\u003cli\u003eSealed with high quality Titebond silicone\u003c\/li\u003e\n\u003cli\u003eGlued with high quality Titebond wood glue\u003c\/li\u003e\n\u003cli\u003e1 binding post terminal\u003c\/li\u003e\n\u003cli\u003eFits under rear seat behind the driver's side\u003c\/li\u003e\n\u003cli\u003eDown firing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eGS-JGM18B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e07–18 GMC Sierra Extended Cab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eSealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer Size\u003c\/td\u003e\n\u003ctd\u003eSingle 8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd\u003e7 1\/8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Volume\u003c\/td\u003e\n\u003ctd\u003e0.68 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e22 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Depth\u003c\/td\u003e\n\u003ctd\u003e6″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFront Height\u003c\/td\u003e\n\u003ctd\u003e9 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRear Height\u003c\/td\u003e\n\u003ctd\u003e7 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e29 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDepth\u003c\/td\u003e\n\u003ctd\u003e13 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eSubwoofer option\u003c\/h2\u003e\u003cp\u003eAdd one DS18 SRW8.4 shallow-mount 8\" subwoofer — 150W RMS \/ 300W MAX, SVC 4-ohm, 2.95\" mounting depth, 7.12\" front-mount cutout per DS18's dimension drawing — and it ships with the box, one per woofer opening. This box is cut 7 1\/8″ with 6″ of mounting depth, so the SRW8.4 fits as shipped. Choose \"Box only\" to buy the enclosure alone.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eBox-only option: subwoofers not included. Price is each.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ground Shaker","offers":[{"title":"Box only","offer_id":52320129122592,"sku":"GS-JGM18B","price":270.0,"currency_code":"USD","in_stock":true},{"title":"+ 1× DS18 SRW8.4 shallow 8\" (150W RMS each)","offer_id":67796723990816,"sku":"GS-JGM18B+SRW8.4","price":381.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0631\/9904\/files\/jgm18b-1.jpg?v=1788924551"},{"product_id":"ground-shaker-gs-jgm110b-single-10-sealed-sub-box-fits-07-18-gmc-sierra-extended-cab","title":"Ground Shaker GS-JGM110B Single 10″ Sealed Sub Box — Fits 07–18 GMC Sierra Extended Cab","description":"\u003cp class=\"wl-intro\"\u003eBuilt for the 07–18 GMC Sierra Extended Cab, this is Ground Shaker's single 10\" sealed enclosure, and it sits under the rear seat on the driver side and fires down. A sealed design keeps the bass controlled and musical, and it tucks one 10\" sub under the seat without giving up the cab. It is built from 5\/8\" MDF, carpeted in trunk liner, and glued and siliconed at every seam.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific enclosure for the 07–18 GMC Sierra Extended Cab\u003c\/li\u003e\n\u003cli\u003eSingle 10″ sealed design — 0.68 ft³ air volume\u003c\/li\u003e\n\u003cli\u003eMounting depth 6″\u003c\/li\u003e\n\u003cli\u003e5\/8″ high quality MDF wood\u003c\/li\u003e\n\u003cli\u003eCarpeted with durable trunk liner finish\u003c\/li\u003e\n\u003cli\u003eSealed with high quality Titebond silicone\u003c\/li\u003e\n\u003cli\u003eGlued with high quality Titebond wood glue\u003c\/li\u003e\n\u003cli\u003e1 binding post terminal\u003c\/li\u003e\n\u003cli\u003eFits under rear seat behind the driver's side\u003c\/li\u003e\n\u003cli\u003eDown firing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eGS-JGM110B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e07–18 GMC Sierra Extended Cab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eSealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer Size\u003c\/td\u003e\n\u003ctd\u003eSingle 10″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd\u003e9 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Volume\u003c\/td\u003e\n\u003ctd\u003e0.68 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e22 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Depth\u003c\/td\u003e\n\u003ctd\u003e6″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFront Height\u003c\/td\u003e\n\u003ctd\u003e9 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRear Height\u003c\/td\u003e\n\u003ctd\u003e7 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e29 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDepth\u003c\/td\u003e\n\u003ctd\u003e13 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cem\u003eSubwoofers not included. Price is each.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ground Shaker","offers":[{"title":"Default Title","offer_id":52320129351968,"sku":"GS-JGM110B","price":275.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0631\/9904\/files\/jgm110b-1.jpg?v=1788924554"},{"product_id":"ground-shaker-gs-jgm112b-single-12-sealed-sub-box-fits-07-18-gmc-sierra-extended-cab","title":"Ground Shaker GS-JGM112B Single 12″ Sealed Sub Box — Fits 07–18 GMC Sierra Extended Cab","description":"\u003cp class=\"wl-intro\"\u003eBuilt for the 07–18 GMC Sierra Extended Cab, this is Ground Shaker's single 12\" sealed enclosure, and it sits under the rear seat on the driver side and fires down. It is a sealed box, so expect clean, tight low end that blends with the rest of the system rather than overpowering it, and the 0.68 cubic feet of air volume suits most 12\" subs.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific enclosure for the 07–18 GMC Sierra Extended Cab\u003c\/li\u003e\n\u003cli\u003eSingle 12″ sealed design — 0.68 ft³ air volume\u003c\/li\u003e\n\u003cli\u003eMounting depth 6″\u003c\/li\u003e\n\u003cli\u003e5\/8″ high quality MDF wood\u003c\/li\u003e\n\u003cli\u003eCarpeted with durable trunk liner finish\u003c\/li\u003e\n\u003cli\u003eSealed with high quality Titebond silicone\u003c\/li\u003e\n\u003cli\u003eGlued with high quality Titebond wood glue\u003c\/li\u003e\n\u003cli\u003e1 binding post terminal\u003c\/li\u003e\n\u003cli\u003eFits under rear seat behind the driver's side\u003c\/li\u003e\n\u003cli\u003eDown firing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eGS-JGM112B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e07–18 GMC Sierra Extended Cab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eSealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer Size\u003c\/td\u003e\n\u003ctd\u003eSingle 12″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd\u003e11 1\/8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Volume\u003c\/td\u003e\n\u003ctd\u003e0.68 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e22 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Depth\u003c\/td\u003e\n\u003ctd\u003e6″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFront Height\u003c\/td\u003e\n\u003ctd\u003e9 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRear Height\u003c\/td\u003e\n\u003ctd\u003e7 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e29 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDepth\u003c\/td\u003e\n\u003ctd\u003e13 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cem\u003eSubwoofers not included. Price is each.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ground Shaker","offers":[{"title":"Default Title","offer_id":52320129450272,"sku":"GS-JGM112B","price":280.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0631\/9904\/files\/jgm112b-1_1777319095.jpg?v=1788924557"},{"product_id":"ground-shaker-gs-jgm28b-dual-8-sealed-sub-box-fits-07-18-gmc-sierra-extended-cab","title":"Ground Shaker GS-JGM28B Dual 8″ Sealed Sub Box — Fits 07–18 GMC Sierra Extended Cab","description":"\u003cp class=\"wl-intro\"\u003eIf you drive a 07–18 GMC Sierra Extended Cab, this Ground Shaker dual 8\" sealed enclosure was shaped for it: it sits under the rear seat on the driver side and fires down. A sealed design keeps the bass controlled and musical, and it tucks two 8\" subs under the seat without giving up the cab. Each woofer gets its own chamber, which keeps them from fighting each other.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific enclosure for the 07–18 GMC Sierra Extended Cab\u003c\/li\u003e\n\u003cli\u003eDual 8″ sealed design — 1.26 ft³ air volume\u003c\/li\u003e\n\u003cli\u003eMounting depth 6 1\/2″\u003c\/li\u003e\n\u003cli\u003e2 individual chambers\u003c\/li\u003e\n\u003cli\u003e5\/8″ high quality MDF wood\u003c\/li\u003e\n\u003cli\u003eCarpeted with durable trunk liner finish\u003c\/li\u003e\n\u003cli\u003eSealed with high quality Titebond silicone\u003c\/li\u003e\n\u003cli\u003eGlued with high quality Titebond wood glue\u003c\/li\u003e\n\u003cli\u003e2 binding post terminals\u003c\/li\u003e\n\u003cli\u003eFits under rear seat behind the driver's side\u003c\/li\u003e\n\u003cli\u003eDown firing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eGS-JGM28B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e07–18 GMC Sierra Extended Cab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eSealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer Size\u003c\/td\u003e\n\u003ctd\u003eDual 8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd\u003e7 1\/8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Volume\u003c\/td\u003e\n\u003ctd\u003e1.26 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume Per Subwoofer\u003c\/td\u003e\n\u003ctd\u003e0.63 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e37 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Depth\u003c\/td\u003e\n\u003ctd\u003e6 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFront Height\u003c\/td\u003e\n\u003ctd\u003e9 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRear Height\u003c\/td\u003e\n\u003ctd\u003e7 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e55 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDepth\u003c\/td\u003e\n\u003ctd\u003e13 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eSubwoofer option\u003c\/h2\u003e\u003cp\u003eAdd two DS18 SRW8.4 shallow-mount 8\" subwoofers — 150W RMS \/ 300W MAX, SVC 4-ohm, 2.95\" mounting depth, 7.12\" front-mount cutout per DS18's dimension drawing — and they ship with the box, one per woofer opening. This box is cut 7 1\/8″ with 6 1\/2″ of mounting depth, so the SRW8.4 fits as shipped. Choose \"Box only\" to buy the enclosure alone.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eBox-only option: subwoofers not included. Price is each.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ground Shaker","offers":[{"title":"Box only","offer_id":52320129548576,"sku":"GS-JGM28B","price":330.0,"currency_code":"USD","in_stock":true},{"title":"+ 2× DS18 SRW8.4 shallow 8\" (150W RMS each)","offer_id":67796724220192,"sku":"GS-JGM28B+SRW8.4.2PK","price":553.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0631\/9904\/files\/jgm28b-1_356148382.jpg?v=1788924559"},{"product_id":"ground-shaker-gs-jgm210b-dual-10-sealed-sub-box-fits-07-18-gmc-sierra-extended-cab","title":"Ground Shaker GS-JGM210B Dual 10″ Sealed Sub Box — Fits 07–18 GMC Sierra Extended Cab","description":"\u003cp class=\"wl-intro\"\u003eThis Ground Shaker dual 10\" sealed enclosure is cut for the 07–18 GMC Sierra Extended Cab; it sits under the rear seat on the driver side and fires down. A sealed design keeps the bass controlled and musical, and it tucks two 10\" subs under the seat without giving up the cab. Subwoofers are not included, so bring your own or match it with one from the DS18 lineup.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific enclosure for the 07–18 GMC Sierra Extended Cab\u003c\/li\u003e\n\u003cli\u003eDual 10″ sealed design — 1.26 ft³ air volume\u003c\/li\u003e\n\u003cli\u003eMounting depth 6 1\/2″\u003c\/li\u003e\n\u003cli\u003e2 individual chambers\u003c\/li\u003e\n\u003cli\u003e5\/8″ high quality MDF wood\u003c\/li\u003e\n\u003cli\u003eCarpeted with durable trunk liner finish\u003c\/li\u003e\n\u003cli\u003eSealed with high quality Titebond silicone\u003c\/li\u003e\n\u003cli\u003eGlued with high quality Titebond wood glue\u003c\/li\u003e\n\u003cli\u003e2 binding post terminals\u003c\/li\u003e\n\u003cli\u003eFits under rear seat behind the driver's side\u003c\/li\u003e\n\u003cli\u003eDown firing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eGS-JGM210B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e07–18 GMC Sierra Extended Cab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eSealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer Size\u003c\/td\u003e\n\u003ctd\u003eDual 10″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd\u003e9 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Volume\u003c\/td\u003e\n\u003ctd\u003e1.26 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume Per Subwoofer\u003c\/td\u003e\n\u003ctd\u003e0.63 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e37 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Depth\u003c\/td\u003e\n\u003ctd\u003e6 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFront Height\u003c\/td\u003e\n\u003ctd\u003e9 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRear Height\u003c\/td\u003e\n\u003ctd\u003e7 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e55 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDepth\u003c\/td\u003e\n\u003ctd\u003e13 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cem\u003eSubwoofers not included. Price is each.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ground Shaker","offers":[{"title":"Default Title","offer_id":52320129646880,"sku":"GS-JGM210B","price":335.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0631\/9904\/files\/jgm210b-1.jpg?v=1788924563"},{"product_id":"ground-shaker-gs-jgm212b-dual-12-sealed-sub-box-fits-07-18-gmc-sierra-extended-cab","title":"Ground Shaker GS-JGM212B Dual 12″ Sealed Sub Box — Fits 07–18 GMC Sierra Extended Cab","description":"\u003cp class=\"wl-intro\"\u003eIf you drive a 07–18 GMC Sierra Extended Cab, this Ground Shaker dual 12\" sealed enclosure was shaped for it: it sits under the rear seat on the driver side and fires down. It is a sealed box, so expect clean, tight low end that blends with the rest of the system rather than overpowering it. Each woofer gets its own chamber, which keeps them from fighting each other.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific enclosure for the 07–18 GMC Sierra Extended Cab\u003c\/li\u003e\n\u003cli\u003eDual 12″ sealed design\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eGS-JGM212B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e07–18 GMC Sierra Extended Cab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eSealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer Size\u003c\/td\u003e\n\u003ctd\u003eDual 12″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecifications\u003c\/td\u003e\n\u003ctd\u003e-CUTOUT DIAMETER: 11 1\/8″ -AIR VOLUME: 1.26 ft³ -2 INDIVIDUAL CHAMBERS -VOLUME PER SUBWOOFER: 0.63 ft³ -WEIGHT: 37 lbs -MOUNTING DEPTH: 6 1\/2″ DIMENSIONS: -FRONT HEIGHT: 9 1\/4″ -REAR HEIGHT: 7 1\/4″ -LENGTH: 55 1\/2″ -DEPTH: 13 1\/2″ CONSTRUCTION: -5\/8″ HIGH QUALITY MDF WOOD -CARPETED WITH DURABLE TRUNK LINER FINISH -SEALED WITH HIGH QUALITY TITEBOND SILICONE -GLUED WITH HIGH QUALITY TITEBOND WOOD GLUE -2 BINDING POST TERMINALS INSTALLATION: -FITS UNDER REAR SEAT BEHIND THE DRIVER'S SIDE -DOWN FIRING -WILL NOT FIT 2007 CLASSIC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cem\u003eSubwoofers not included. Price is each.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ground Shaker","offers":[{"title":"Default Title","offer_id":52320129810720,"sku":"GS-JGM212B","price":340.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0631\/9904\/files\/jgm212b-1.jpg?v=1788924567"},{"product_id":"ground-shaker-gs-jgmp28b-dual-8-ported-sub-box-fits-07-18-gmc-sierra-extended-cab","title":"Ground Shaker GS-JGMP28B Dual 8″ Ported Sub Box — Fits 07–18 GMC Sierra Extended Cab","description":"\u003cp class=\"wl-intro\"\u003eHere is Ground Shaker's dual 8\" ported enclosure for the 07–18 GMC Sierra Extended Cab; it sits under the rear seat on the driver side and fires down. The slot port tuned to 36 Hz gives two 8\" subs noticeably more low-end punch than a sealed box of the same footprint with 1.25 cubic feet of air volume.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific enclosure for the 07–18 GMC Sierra Extended Cab\u003c\/li\u003e\n\u003cli\u003eDual 8″ ported design — 1.25 ft³ air volume, tuned to 36 Hz\u003c\/li\u003e\n\u003cli\u003e1 slot port (H-1.5″ W-5″ L-9″)\u003c\/li\u003e\n\u003cli\u003eMounting depth 6 1\/2″\u003c\/li\u003e\n\u003cli\u003e5\/8″ high quality MDF wood\u003c\/li\u003e\n\u003cli\u003eCarpeted with durable trunk liner finish\u003c\/li\u003e\n\u003cli\u003eSealed with high quality Titebond silicone\u003c\/li\u003e\n\u003cli\u003eGlued with high quality Titebond wood glue\u003c\/li\u003e\n\u003cli\u003e2 binding post terminals\u003c\/li\u003e\n\u003cli\u003eFits under rear seat behind the driver's side\u003c\/li\u003e\n\u003cli\u003eDown firing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eGS-JGMP28B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e07–18 GMC Sierra Extended Cab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003ePorted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer Size\u003c\/td\u003e\n\u003ctd\u003eDual 8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd\u003e7 1\/8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Volume\u003c\/td\u003e\n\u003ctd\u003e1.25 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTuning Frequency\u003c\/td\u003e\n\u003ctd\u003e36 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePorts\u003c\/td\u003e\n\u003ctd\u003e1 slot port (H-1.5″ W-5″ L-9″)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e37 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Depth\u003c\/td\u003e\n\u003ctd\u003e6 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFront Height\u003c\/td\u003e\n\u003ctd\u003e9 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRear Height\u003c\/td\u003e\n\u003ctd\u003e7 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e55 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDepth\u003c\/td\u003e\n\u003ctd\u003e13 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eSubwoofer option\u003c\/h2\u003e\u003cp\u003eAdd two DS18 SRW8.4 shallow-mount 8\" subwoofers — 150W RMS \/ 300W MAX, SVC 4-ohm, 2.95\" mounting depth, 7.12\" front-mount cutout per DS18's dimension drawing — and they ship with the box, one per woofer opening. This box is cut 7 1\/8″ with 6 1\/2″ of mounting depth, so the SRW8.4 fits as shipped. Choose \"Box only\" to buy the enclosure alone.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eBox-only option: subwoofers not included. Price is each.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ground Shaker","offers":[{"title":"Box only","offer_id":52320129909024,"sku":"GS-JGMP28B","price":335.0,"currency_code":"USD","in_stock":true},{"title":"+ 2× DS18 SRW8.4 shallow 8\" (150W RMS each)","offer_id":67796724285728,"sku":"GS-JGMP28B+SRW8.4.2PK","price":558.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0631\/9904\/files\/jgmp28b-1_2022525990.jpg?v=1788924571"},{"product_id":"ground-shaker-gs-jgmp210b-dual-10-ported-sub-box-fits-07-18-gmc-sierra-extended-cab","title":"Ground Shaker GS-JGMP210B Dual 10″ Ported Sub Box — Fits 07–18 GMC Sierra Extended Cab","description":"\u003cp class=\"wl-intro\"\u003eThis Ground Shaker dual 10\" ported enclosure is cut for the 07–18 GMC Sierra Extended Cab; it sits under the rear seat on the driver side and fires down. Being ported and tuned to 36 Hz, it plays louder and deeper than a sealed box would in the same spot with 1.25 cubic feet of air volume, for anyone who wants the bass felt and not just heard.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific enclosure for the 07–18 GMC Sierra Extended Cab\u003c\/li\u003e\n\u003cli\u003eDual 10″ ported design — 1.25 ft³ air volume, tuned to 36 Hz\u003c\/li\u003e\n\u003cli\u003e1 slot port (H-1.5″ W-5″ L-9″)\u003c\/li\u003e\n\u003cli\u003eMounting depth 6 1\/2″\u003c\/li\u003e\n\u003cli\u003e5\/8″ high quality MDF wood\u003c\/li\u003e\n\u003cli\u003eCarpeted with durable trunk liner finish\u003c\/li\u003e\n\u003cli\u003eSealed with high quality Titebond silicone\u003c\/li\u003e\n\u003cli\u003eGlued with high quality Titebond wood glue\u003c\/li\u003e\n\u003cli\u003e2 binding post terminals\u003c\/li\u003e\n\u003cli\u003eFits under rear seat behind the driver's side\u003c\/li\u003e\n\u003cli\u003eDown firing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eGS-JGMP210B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e07–18 GMC Sierra Extended Cab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003ePorted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer Size\u003c\/td\u003e\n\u003ctd\u003eDual 10″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd\u003e10 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Volume\u003c\/td\u003e\n\u003ctd\u003e1.25 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTuning Frequency\u003c\/td\u003e\n\u003ctd\u003e36 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePorts\u003c\/td\u003e\n\u003ctd\u003e1 slot port (H-1.5″ W-5″ L-9″)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e37 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Depth\u003c\/td\u003e\n\u003ctd\u003e6 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFront Height\u003c\/td\u003e\n\u003ctd\u003e9 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRear Height\u003c\/td\u003e\n\u003ctd\u003e7 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e55 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDepth\u003c\/td\u003e\n\u003ctd\u003e13 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cem\u003eSubwoofers not included. Price is each.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ground Shaker","offers":[{"title":"Default Title","offer_id":52320130007328,"sku":"GS-JGMP210B","price":340.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0631\/9904\/files\/jgmp210b-1.jpg?v=1788924573"},{"product_id":"ground-shaker-gs-jgmp212b-dual-12-ported-sub-box-fits-07-18-gmc-sierra-extended-cab","title":"Ground Shaker GS-JGMP212B Dual 12″ Ported Sub Box — Fits 07–18 GMC Sierra Extended Cab","description":"\u003cp class=\"wl-intro\"\u003eHere is Ground Shaker's dual 12\" ported enclosure for the 07–18 GMC Sierra Extended Cab; it sits under the rear seat on the driver side and fires down. Being ported and tuned to 36 Hz, it plays louder and deeper than a sealed box would in the same spot with 1.25 cubic feet of air volume, for anyone who wants the bass felt and not just heard.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific enclosure for the 07–18 GMC Sierra Extended Cab\u003c\/li\u003e\n\u003cli\u003eDual 12″ ported design — 1.25 ft³ air volume, tuned to 36 Hz\u003c\/li\u003e\n\u003cli\u003e1 slot port (H-1.5″ W-5″ L-9″)\u003c\/li\u003e\n\u003cli\u003eMounting depth 6 1\/2″\u003c\/li\u003e\n\u003cli\u003e5\/8″ high quality MDF wood\u003c\/li\u003e\n\u003cli\u003eCarpeted with durable trunk liner finish\u003c\/li\u003e\n\u003cli\u003eSealed with high quality Titebond silicone\u003c\/li\u003e\n\u003cli\u003eGlued with high quality Titebond wood glue\u003c\/li\u003e\n\u003cli\u003e2 binding post terminals\u003c\/li\u003e\n\u003cli\u003eFits under rear seat behind the driver's side\u003c\/li\u003e\n\u003cli\u003eDown firing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eGS-JGMP212B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e07–18 GMC Sierra Extended Cab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003ePorted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer Size\u003c\/td\u003e\n\u003ctd\u003eDual 12″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd\u003e11 1\/8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Volume\u003c\/td\u003e\n\u003ctd\u003e1.25 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTuning Frequency\u003c\/td\u003e\n\u003ctd\u003e36 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePorts\u003c\/td\u003e\n\u003ctd\u003e1 slot port (H-1.5″ W-5″ L-9″)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e37 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Depth\u003c\/td\u003e\n\u003ctd\u003e6 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFront Height\u003c\/td\u003e\n\u003ctd\u003e9 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRear Height\u003c\/td\u003e\n\u003ctd\u003e7 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e55 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDepth\u003c\/td\u003e\n\u003ctd\u003e13 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cem\u003eSubwoofers not included. Price is each.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ground Shaker","offers":[{"title":"Default Title","offer_id":52320130105632,"sku":"GS-JGMP212B","price":345.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0631\/9904\/files\/jgmp212b-1.jpg?v=1788924576"},{"product_id":"ground-shaker-gs-jgml7t110b-single-10-l7t-sealed-sub-box-fits-07-18-gmc-sierra-extended-cab","title":"Ground Shaker GS-JGML7T110B Single 10″ L7T Sealed Sub Box — Fits 07–18 GMC Sierra Extended Cab","description":"\u003cp class=\"wl-intro\"\u003eHere is Ground Shaker's single 10\" sealed enclosure for the 07–18 GMC Sierra Extended Cab; it sits under the rear seat on the driver side and fires down. Sealed boxes like this favor tight, accurate bass over sheer volume, and the 0.63 cubic feet of air volume suits most 10\" subs. It is built from 5\/8\" MDF, carpeted in trunk liner, and glued and siliconed at every seam.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific enclosure for the 07–18 GMC Sierra Extended Cab\u003c\/li\u003e\n\u003cli\u003eSingle 10″ sealed design — 0.63 ft³ air volume\u003c\/li\u003e\n\u003cli\u003eMounting depth 4″\u003c\/li\u003e\n\u003cli\u003e5\/8″ high quality MDF wood\u003c\/li\u003e\n\u003cli\u003eCarpeted with durable trunk liner finish\u003c\/li\u003e\n\u003cli\u003eSealed with high quality Titebond silicone\u003c\/li\u003e\n\u003cli\u003eGlued with high quality Titebond wood glue\u003c\/li\u003e\n\u003cli\u003e1 binding post terminal\u003c\/li\u003e\n\u003cli\u003eFits under rear seat behind the driver's side\u003c\/li\u003e\n\u003cli\u003eDown firing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eGS-JGML7T110B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e07–18 GMC Sierra Extended Cab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eSealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer Size\u003c\/td\u003e\n\u003ctd\u003eSingle 10″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd\u003e9 3\/8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Volume\u003c\/td\u003e\n\u003ctd\u003e0.63 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e21 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Depth\u003c\/td\u003e\n\u003ctd\u003e4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFront Height\u003c\/td\u003e\n\u003ctd\u003e9 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRear Height\u003c\/td\u003e\n\u003ctd\u003e7 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e29 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDepth\u003c\/td\u003e\n\u003ctd\u003e13 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cem\u003eSubwoofers not included. Price is each.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ground Shaker","offers":[{"title":"Default Title","offer_id":52320130236704,"sku":"GS-JGML7T110B","price":280.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0631\/9904\/files\/jgml7t110b-1.jpg?v=1788924579"},{"product_id":"ground-shaker-gs-jgmkk28b-dual-8-solo-baric-sealed-sub-box-fits-07-18-gmc-sierra-extended-cab","title":"Ground Shaker GS-JGMKK28B Dual 8″ Solo-Baric Sealed Sub Box — Fits 07–18 GMC Sierra Extended Cab","description":"\u003cp class=\"wl-intro\"\u003eHere is Ground Shaker's dual 8\" sealed enclosure for the 07–18 GMC Sierra Extended Cab; it sits under the rear seat on the driver side and fires down. Sealed boxes like this favor tight, accurate bass over sheer volume. The cutout is made for the specific woofer line named in the title, so match your sub model before ordering.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific enclosure for the 07–18 GMC Sierra Extended Cab\u003c\/li\u003e\n\u003cli\u003eDual 8″ sealed design — 1.26 ft³ air volume\u003c\/li\u003e\n\u003cli\u003eMounting depth 6 1\/2″\u003c\/li\u003e\n\u003cli\u003e2 individual chambers\u003c\/li\u003e\n\u003cli\u003e5\/8″ high quality MDF wood\u003c\/li\u003e\n\u003cli\u003eCarpeted with durable trunk liner finish\u003c\/li\u003e\n\u003cli\u003eSealed with high quality Titebond silicone\u003c\/li\u003e\n\u003cli\u003eGlued with high quality Titebond wood glue\u003c\/li\u003e\n\u003cli\u003e2 binding post terminals\u003c\/li\u003e\n\u003cli\u003eFits under rear seat behind the driver's side\u003c\/li\u003e\n\u003cli\u003eDown firing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eGS-JGMKK28B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e07–18 GMC Sierra Extended Cab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eSealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer Size\u003c\/td\u003e\n\u003ctd\u003eDual 8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd\u003e7 3\/8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Volume\u003c\/td\u003e\n\u003ctd\u003e1.26 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume Per Subwoofer\u003c\/td\u003e\n\u003ctd\u003e0.63 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e37 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Depth\u003c\/td\u003e\n\u003ctd\u003e6 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFront Height\u003c\/td\u003e\n\u003ctd\u003e9 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRear Height\u003c\/td\u003e\n\u003ctd\u003e7 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e55 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDepth\u003c\/td\u003e\n\u003ctd\u003e13 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cem\u003eSubwoofers not included. Price is each.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ground Shaker","offers":[{"title":"Default Title","offer_id":52320130498848,"sku":"GS-JGMKK28B","price":340.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0631\/9904\/files\/jgmkk28b-1_67700142.jpg?v=1788924582"},{"product_id":"ground-shaker-gs-jgml7t210b-dual-10-l7t-sealed-sub-box-fits-07-18-gmc-sierra-extended-cab","title":"Ground Shaker GS-JGML7T210B Dual 10″ L7T Sealed Sub Box — Fits 07–18 GMC Sierra Extended Cab","description":"\u003cp class=\"wl-intro\"\u003eThis Ground Shaker dual 10\" sealed enclosure is cut for the 07–18 GMC Sierra Extended Cab; it sits under the rear seat on the driver side and fires down. It is a sealed box, so expect clean, tight low end that blends with the rest of the system rather than overpowering it. Each woofer gets its own chamber, which keeps them from fighting each other.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific enclosure for the 07–18 GMC Sierra Extended Cab\u003c\/li\u003e\n\u003cli\u003eDual 10″ sealed design — 1.26 ft³ air volume\u003c\/li\u003e\n\u003cli\u003eMounting depth 6 1\/2″\u003c\/li\u003e\n\u003cli\u003e2 individual chambers\u003c\/li\u003e\n\u003cli\u003e5\/8″ high quality MDF wood\u003c\/li\u003e\n\u003cli\u003eCarpeted with durable trunk liner finish\u003c\/li\u003e\n\u003cli\u003eSealed with high quality Titebond silicone\u003c\/li\u003e\n\u003cli\u003eGlued with high quality Titebond wood glue\u003c\/li\u003e\n\u003cli\u003e2 binding post terminals\u003c\/li\u003e\n\u003cli\u003eFits under rear seat behind the driver's side\u003c\/li\u003e\n\u003cli\u003eDown firing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eGS-JGML7T210B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e07–18 GMC Sierra Extended Cab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eSealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer Size\u003c\/td\u003e\n\u003ctd\u003eDual 10″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd\u003e9 3\/8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Volume\u003c\/td\u003e\n\u003ctd\u003e1.26 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume Per Subwoofer\u003c\/td\u003e\n\u003ctd\u003e0.63 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e37 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Depth\u003c\/td\u003e\n\u003ctd\u003e6 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFront Height\u003c\/td\u003e\n\u003ctd\u003e9 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRear Height\u003c\/td\u003e\n\u003ctd\u003e7 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e55 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDepth\u003c\/td\u003e\n\u003ctd\u003e13 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cem\u003eSubwoofers not included. Price is each.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ground Shaker","offers":[{"title":"Default Title","offer_id":52320130597152,"sku":"GS-JGML7T210B","price":340.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0631\/9904\/files\/jgml7t210b-1.jpg?v=1788924585"},{"product_id":"ground-shaker-gs-ogm18b-single-8-sealed-sub-box-fits-88-98-gmc-sierra-extended-cab","title":"Ground Shaker GS-OGM18B Single 8″ Sealed Sub Box — Fits 88–98 GMC Sierra Extended Cab","description":"\u003cp class=\"wl-intro\"\u003eHere is Ground Shaker's single 8\" sealed enclosure for the 88–98 GMC Sierra Extended Cab; it sits under the rear seat and fires forward. Sealed boxes like this favor tight, accurate bass over sheer volume, and the 0.88 cubic feet of air volume suits most 8\" subs. It is built from 5\/8\" MDF, carpeted in trunk liner, and glued and siliconed at every seam.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific enclosure for the 88–98 GMC Sierra Extended Cab\u003c\/li\u003e\n\u003cli\u003eSingle 8″ sealed design\u003c\/li\u003e\n\u003cli\u003eMounting depth 6″ (WITH A 5 1\/2″ MAGNET DIAMETER)\u003c\/li\u003e\n\u003cli\u003e5\/8″ high quality MDF wood\u003c\/li\u003e\n\u003cli\u003eCarpeted with durable trunk liner finish\u003c\/li\u003e\n\u003cli\u003eSealed with high quality Titebond silicone\u003c\/li\u003e\n\u003cli\u003eGlued with high quality Titebond wood glue\u003c\/li\u003e\n\u003cli\u003e1 binding post terminal\u003c\/li\u003e\n\u003cli\u003eFits under rear seat\u003c\/li\u003e\n\u003cli\u003eForward firing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eGS-OGM18B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e88–98 GMC Sierra Extended Cab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eSealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer Size\u003c\/td\u003e\n\u003ctd\u003eSingle 8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd\u003e7 1\/8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Air Volume\u003c\/td\u003e\n\u003ctd\u003e0.88 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e24 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Depth\u003c\/td\u003e\n\u003ctd\u003e6″ (WITH A 5 1\/2″ MAGNET DIAMETER)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e10 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e28 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop Depth\u003c\/td\u003e\n\u003ctd\u003e11″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBottom Depth\u003c\/td\u003e\n\u003ctd\u003e16 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eSubwoofer option\u003c\/h2\u003e\u003cp\u003eAdd one DS18 SRW8.4 shallow-mount 8\" subwoofer — 150W RMS \/ 300W MAX, SVC 4-ohm, 2.95\" mounting depth, 7.12\" front-mount cutout per DS18's dimension drawing — and it ships with the box, one per woofer opening. This box is cut 7 1\/8″ with 6″ of mounting depth, so the SRW8.4 fits as shipped. Choose \"Box only\" to buy the enclosure alone.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eBox-only option: subwoofers not included. Price is each.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ground Shaker","offers":[{"title":"Box only","offer_id":52320130662688,"sku":"GS-OGM18B","price":260.0,"currency_code":"USD","in_stock":true},{"title":"+ 1× DS18 SRW8.4 shallow 8\" (150W RMS each)","offer_id":67796726087968,"sku":"GS-OGM18B+SRW8.4","price":371.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0631\/9904\/files\/ogm18b-1.jpg?v=1788924588"},{"product_id":"ground-shaker-gs-ogm110b-single-10-sealed-sub-box-fits-88-98-gmc-sierra-extended-cab","title":"Ground Shaker GS-OGM110B Single 10″ Sealed Sub Box — Fits 88–98 GMC Sierra Extended Cab","description":"\u003cp class=\"wl-intro\"\u003eHere is Ground Shaker's single 10\" sealed enclosure for the 88–98 GMC Sierra Extended Cab; it sits under the rear seat and fires forward. A sealed design keeps the bass controlled and musical, and it tucks one 10\" sub under the seat without giving up the cab. Subwoofers are not included, so bring your own or match it with one from the DS18 lineup.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific enclosure for the 88–98 GMC Sierra Extended Cab\u003c\/li\u003e\n\u003cli\u003eSingle 10″ sealed design\u003c\/li\u003e\n\u003cli\u003eMounting depth 6″ (WITH A 5 1\/2″ MAGNET DIAMETER)\u003c\/li\u003e\n\u003cli\u003e5\/8″ high quality MDF wood\u003c\/li\u003e\n\u003cli\u003eCarpeted with durable trunk liner finish\u003c\/li\u003e\n\u003cli\u003eSealed with high quality Titebond silicone\u003c\/li\u003e\n\u003cli\u003eGlued with high quality Titebond wood glue\u003c\/li\u003e\n\u003cli\u003e1 binding post terminal\u003c\/li\u003e\n\u003cli\u003eFits under rear seat\u003c\/li\u003e\n\u003cli\u003eForward firing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eGS-OGM110B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e88–98 GMC Sierra Extended Cab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eSealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer Size\u003c\/td\u003e\n\u003ctd\u003eSingle 10″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd\u003e9 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Air Volume\u003c\/td\u003e\n\u003ctd\u003e0.88 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e24 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Depth\u003c\/td\u003e\n\u003ctd\u003e6″ (WITH A 5 1\/2″ MAGNET DIAMETER)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e10 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e28 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop Depth\u003c\/td\u003e\n\u003ctd\u003e11″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBottom Depth\u003c\/td\u003e\n\u003ctd\u003e16 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cem\u003eSubwoofers not included. Price is each.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ground Shaker","offers":[{"title":"Default Title","offer_id":52320130760992,"sku":"GS-OGM110B","price":265.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0631\/9904\/files\/ogm110b-1.jpg?v=1788924591"},{"product_id":"ground-shaker-gs-ogm112b-single-12-sealed-sub-box-fits-88-98-gmc-sierra-extended-cab","title":"Ground Shaker GS-OGM112B Single 12″ Sealed Sub Box — Fits 88–98 GMC Sierra Extended Cab","description":"\u003cp class=\"wl-intro\"\u003eThis Ground Shaker single 12\" sealed enclosure is cut for the 88–98 GMC Sierra Extended Cab; it sits under the rear seat and fires forward. A sealed design keeps the bass controlled and musical, and it tucks one 12\" sub under the seat without giving up the cab. It is built from 5\/8\" MDF, carpeted in trunk liner, and glued and siliconed at every seam.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific enclosure for the 88–98 GMC Sierra Extended Cab\u003c\/li\u003e\n\u003cli\u003eSingle 12″ sealed design\u003c\/li\u003e\n\u003cli\u003eMounting depth 5″ (WITH A 5 1\/2″ MAGNET DIAMETER)\u003c\/li\u003e\n\u003cli\u003e5\/8″ high quality MDF wood\u003c\/li\u003e\n\u003cli\u003eCarpeted with durable trunk liner finish\u003c\/li\u003e\n\u003cli\u003eSealed with high quality Titebond silicone\u003c\/li\u003e\n\u003cli\u003eGlued with high quality Titebond wood glue\u003c\/li\u003e\n\u003cli\u003e1 binding post terminal\u003c\/li\u003e\n\u003cli\u003eFits under rear seat\u003c\/li\u003e\n\u003cli\u003eForward firing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eGS-OGM112B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e88–98 GMC Sierra Extended Cab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eSealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer Size\u003c\/td\u003e\n\u003ctd\u003eSingle 12″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd\u003e11 1\/8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Air Volume\u003c\/td\u003e\n\u003ctd\u003e0.95 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e26 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Depth\u003c\/td\u003e\n\u003ctd\u003e5″ (WITH A 5 1\/2″ MAGNET DIAMETER)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e11″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e28 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop Depth\u003c\/td\u003e\n\u003ctd\u003e12 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBottom Depth\u003c\/td\u003e\n\u003ctd\u003e18 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cem\u003eSubwoofers not included. Price is each.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ground Shaker","offers":[{"title":"Default Title","offer_id":52320130859296,"sku":"GS-OGM112B","price":270.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0631\/9904\/files\/ogm112b-1.jpg?v=1788924594"},{"product_id":"ground-shaker-gs-ogm28b-dual-8-sealed-sub-box-fits-88-98-gmc-sierra-extended-cab","title":"Ground Shaker GS-OGM28B Dual 8″ Sealed Sub Box — Fits 88–98 GMC Sierra Extended Cab","description":"\u003cp class=\"wl-intro\"\u003eThis Ground Shaker dual 8\" sealed enclosure is cut for the 88–98 GMC Sierra Extended Cab; it sits under the rear seat and fires forward. Sealed boxes like this favor tight, accurate bass over sheer volume. It is sold as the box only; if you want it ready to wire, choose the matching DS18 subwoofers from the option menu.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific enclosure for the 88–98 GMC Sierra Extended Cab\u003c\/li\u003e\n\u003cli\u003eDual 8″ sealed design\u003c\/li\u003e\n\u003cli\u003eMounting depth 6″ (WITH A 5 1\/2″ MAGNET DIAMETER)\u003c\/li\u003e\n\u003cli\u003e5\/8″ high quality MDF wood\u003c\/li\u003e\n\u003cli\u003eCarpeted with durable trunk liner finish\u003c\/li\u003e\n\u003cli\u003eSealed with high quality Titebond silicone\u003c\/li\u003e\n\u003cli\u003eGlued with high quality Titebond wood glue\u003c\/li\u003e\n\u003cli\u003e2 binding post terminals\u003c\/li\u003e\n\u003cli\u003eFits under rear seat\u003c\/li\u003e\n\u003cli\u003eForward firing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eGS-OGM28B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e88–98 GMC Sierra Extended Cab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eSealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer Size\u003c\/td\u003e\n\u003ctd\u003eDual 8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd\u003e7 1\/8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Air Volume\u003c\/td\u003e\n\u003ctd\u003e1.45 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume Per Subwoofer\u003c\/td\u003e\n\u003ctd\u003e0.73 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e45 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Depth\u003c\/td\u003e\n\u003ctd\u003e6″ (WITH A 5 1\/2″ MAGNET DIAMETER)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e11 3\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e57 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop Depth\u003c\/td\u003e\n\u003ctd\u003e11″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBottom Depth\u003c\/td\u003e\n\u003ctd\u003e16 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eSubwoofer option\u003c\/h2\u003e\u003cp\u003eAdd two DS18 SRW8.4 shallow-mount 8\" subwoofers — 150W RMS \/ 300W MAX, SVC 4-ohm, 2.95\" mounting depth, 7.12\" front-mount cutout per DS18's dimension drawing — and they ship with the box, one per woofer opening. This box is cut 7 1\/8″ with 6″ of mounting depth, so the SRW8.4 fits as shipped. Choose \"Box only\" to buy the enclosure alone.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eBox-only option: subwoofers not included. Price is each.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ground Shaker","offers":[{"title":"Box only","offer_id":52320131055904,"sku":"GS-OGM28B","price":310.0,"currency_code":"USD","in_stock":true},{"title":"+ 2× DS18 SRW8.4 shallow 8\" (150W RMS each)","offer_id":67796726481184,"sku":"GS-OGM28B+SRW8.4.2PK","price":533.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0631\/9904\/files\/ogm28b-2.jpg?v=1788924597"},{"product_id":"ground-shaker-gs-ogm210b-dual-10-sealed-sub-box-fits-88-98-gmc-sierra-extended-cab","title":"Ground Shaker GS-OGM210B Dual 10″ Sealed Sub Box — Fits 88–98 GMC Sierra Extended Cab","description":"\u003cp class=\"wl-intro\"\u003eThis Ground Shaker dual 10\" sealed enclosure is cut for the 88–98 GMC Sierra Extended Cab; it sits under the rear seat and fires forward. A sealed design keeps the bass controlled and musical, and it tucks two 10\" subs under the seat without giving up the cab. It is built from 5\/8\" MDF, carpeted in trunk liner, and glued and siliconed at every seam.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific enclosure for the 88–98 GMC Sierra Extended Cab\u003c\/li\u003e\n\u003cli\u003eDual 10″ sealed design\u003c\/li\u003e\n\u003cli\u003eMounting depth 6″ (WITH A 5 1\/2″ MAGNET DIAMETER)\u003c\/li\u003e\n\u003cli\u003e5\/8″ high quality MDF wood\u003c\/li\u003e\n\u003cli\u003eCarpeted with durable trunk liner finish\u003c\/li\u003e\n\u003cli\u003eSealed with high quality Titebond silicone\u003c\/li\u003e\n\u003cli\u003eGlued with high quality Titebond wood glue\u003c\/li\u003e\n\u003cli\u003e2 binding post terminals\u003c\/li\u003e\n\u003cli\u003eFits under rear seat\u003c\/li\u003e\n\u003cli\u003eForward firing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eGS-OGM210B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e88–98 GMC Sierra Extended Cab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eSealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer Size\u003c\/td\u003e\n\u003ctd\u003eDual 10″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd\u003e9 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Air Volume\u003c\/td\u003e\n\u003ctd\u003e1.45 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume Per Subwoofer\u003c\/td\u003e\n\u003ctd\u003e0.73 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e45 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Depth\u003c\/td\u003e\n\u003ctd\u003e6″ (WITH A 5 1\/2″ MAGNET DIAMETER)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e11 3\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e57 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop Depth\u003c\/td\u003e\n\u003ctd\u003e11″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBottom Depth\u003c\/td\u003e\n\u003ctd\u003e16 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cem\u003eSubwoofers not included. Price is each.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ground Shaker","offers":[{"title":"Default Title","offer_id":52320131154208,"sku":"GS-OGM210B","price":315.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0631\/9904\/files\/ogm210b-1.jpg?v=1788924600"},{"product_id":"ground-shaker-gs-ogm212-dual-12-sealed-sub-box-fits-88-98-gmc-sierra-extended-cab","title":"Ground Shaker GS-OGM212 Dual 12″ Sealed Sub Box — Fits 88–98 GMC Sierra Extended Cab","description":"\u003cp class=\"wl-intro\"\u003eHere is Ground Shaker's dual 12\" sealed enclosure for the 88–98 GMC Sierra Extended Cab; it sits under the rear seat and fires forward. A sealed design keeps the bass controlled and musical, and it tucks two 12\" subs under the seat without giving up the cab. Subwoofers are not included, so bring your own or match it with one from the DS18 lineup.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific enclosure for the 88–98 GMC Sierra Extended Cab\u003c\/li\u003e\n\u003cli\u003eDual 12″ sealed design\u003c\/li\u003e\n\u003cli\u003eMounting depth 5″ (WITH A 5 1\/2″ MAGNET DIAMETER)\u003c\/li\u003e\n\u003cli\u003e5\/8″ high quality MDF wood\u003c\/li\u003e\n\u003cli\u003eCarpeted with durable trunk liner finish\u003c\/li\u003e\n\u003cli\u003eSealed with high quality Titebond silicone\u003c\/li\u003e\n\u003cli\u003eGlued with high quality Titebond wood glue\u003c\/li\u003e\n\u003cli\u003e2 spring loaded terminals\u003c\/li\u003e\n\u003cli\u003eFits under rear seat\u003c\/li\u003e\n\u003cli\u003eForward firing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eGS-OGM212\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e88–98 GMC Sierra Extended Cab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eSealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer Size\u003c\/td\u003e\n\u003ctd\u003eDual 12″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd\u003e11 1\/8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Air Volume\u003c\/td\u003e\n\u003ctd\u003e1.80 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume Per Subwoofer\u003c\/td\u003e\n\u003ctd\u003e0.90 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e52 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Depth\u003c\/td\u003e\n\u003ctd\u003e5″ (WITH A 5 1\/2″ MAGNET DIAMETER)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e13 5\/8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e57 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop Depth\u003c\/td\u003e\n\u003ctd\u003e12 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBottom Depth\u003c\/td\u003e\n\u003ctd\u003e18 3\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cem\u003eSubwoofers not included. Price is each.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ground Shaker","offers":[{"title":"Default Title","offer_id":52320131252512,"sku":"GS-OGM212","price":340.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0631\/9904\/files\/ogm212b-1.jpg?v=1788924603"},{"product_id":"ground-shaker-gs-ogml7t210b-dual-10-l7t-sealed-sub-box-fits-88-98-gmc-sierra-extended-cab","title":"Ground Shaker GS-OGML7T210B Dual 10″ L7T Sealed Sub Box — Fits 88–98 GMC Sierra Extended Cab","description":"\u003cp class=\"wl-intro\"\u003eHere is Ground Shaker's dual 10\" sealed enclosure for the 88–98 GMC Sierra Extended Cab; it sits under the rear seat and fires forward. Sealed boxes like this favor tight, accurate bass over sheer volume. The cutout is made for the specific woofer line named in the title, so match your sub model before ordering.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific enclosure for the 88–98 GMC Sierra Extended Cab\u003c\/li\u003e\n\u003cli\u003eDual 10″ sealed design\u003c\/li\u003e\n\u003cli\u003eMounting depth 6″ (WITH A 5 1\/2″ MAGNET DIAMETER)\u003c\/li\u003e\n\u003cli\u003e5\/8″ high quality MDF wood\u003c\/li\u003e\n\u003cli\u003eCarpeted with durable trunk liner finish\u003c\/li\u003e\n\u003cli\u003eSealed with high quality Titebond silicone\u003c\/li\u003e\n\u003cli\u003eGlued with high quality Titebond wood glue\u003c\/li\u003e\n\u003cli\u003e2 binding post terminals\u003c\/li\u003e\n\u003cli\u003eFits under rear seat\u003c\/li\u003e\n\u003cli\u003eForward firing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eGS-OGML7T210B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e88–98 GMC Sierra Extended Cab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eSealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer Size\u003c\/td\u003e\n\u003ctd\u003eDual 10″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd\u003e9 3\/8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Air Volume\u003c\/td\u003e\n\u003ctd\u003e1.45 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume Per Subwoofer\u003c\/td\u003e\n\u003ctd\u003e0.73 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e45 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Depth\u003c\/td\u003e\n\u003ctd\u003e6″ (WITH A 5 1\/2″ MAGNET DIAMETER)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e11 3\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e57 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop Depth\u003c\/td\u003e\n\u003ctd\u003e11″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBottom Depth\u003c\/td\u003e\n\u003ctd\u003e16 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cem\u003eSubwoofers not included. Price is each.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ground Shaker","offers":[{"title":"Default Title","offer_id":52320131383584,"sku":"GS-OGML7T210B","price":320.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0631\/9904\/files\/ogml7t210b-1.jpg?v=1788924607"},{"product_id":"ground-shaker-gs-ngm18b-single-8-sealed-sub-box-fits-99-06-gmc-sierra-extended-cab","title":"Ground Shaker GS-NGM18B Single 8″ Sealed Sub Box — Fits 99–06 GMC Sierra Extended Cab","description":"\u003cp class=\"wl-intro\"\u003eThis Ground Shaker single 8\" sealed enclosure is cut for the 99–06 GMC Sierra Extended Cab; it sits under the rear seat and fires upward. Sealed boxes like this favor tight, accurate bass over sheer volume. It is sold as the box only; if you want it ready to wire, choose the matching DS18 subwoofers from the option menu.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific enclosure for the 99–06 GMC Sierra Extended Cab\u003c\/li\u003e\n\u003cli\u003eSingle 8″ sealed design — 0.75 CUBIC ft³ air volume\u003c\/li\u003e\n\u003cli\u003eMounting depth 6 11\/16″\u003c\/li\u003e\n\u003cli\u003e5\/8″ high density MDF wood\u003c\/li\u003e\n\u003cli\u003eCarpeted with durable trunk liner finish\u003c\/li\u003e\n\u003cli\u003eSealed with high quality Titebond silicone\u003c\/li\u003e\n\u003cli\u003eGlued with high quality Titebond wood glue\u003c\/li\u003e\n\u003cli\u003e1 binding post terminal\u003c\/li\u003e\n\u003cli\u003eFits under rear seat\u003c\/li\u003e\n\u003cli\u003eUpward firing\u003c\/li\u003e\n\u003cli\u003e2007 only fits older body style\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eGS-NGM18B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e99–06 GMC Sierra Extended Cab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eSealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer Size\u003c\/td\u003e\n\u003ctd\u003eSingle 8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd\u003e7 1\/8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Volume\u003c\/td\u003e\n\u003ctd\u003e0.75 CUBIC ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e22 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Depth\u003c\/td\u003e\n\u003ctd\u003e6 11\/16″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e8 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e32 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDepth\u003c\/td\u003e\n\u003ctd\u003e13 3\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eSubwoofer option\u003c\/h2\u003e\u003cp\u003eAdd one DS18 SRW8.4 shallow-mount 8\" subwoofer — 150W RMS \/ 300W MAX, SVC 4-ohm, 2.95\" mounting depth, 7.12\" front-mount cutout per DS18's dimension drawing — and it ships with the box, one per woofer opening. This box is cut 7 1\/8″ with 6 11\/16″ of mounting depth, so the SRW8.4 fits as shipped. Choose \"Box only\" to buy the enclosure alone.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eBox-only option: subwoofers not included. Price is each.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ground Shaker","offers":[{"title":"Box only","offer_id":52320131547424,"sku":"GS-NGM18B","price":270.0,"currency_code":"USD","in_stock":true},{"title":"+ 1× DS18 SRW8.4 shallow 8\" (150W RMS each)","offer_id":67796726776096,"sku":"GS-NGM18B+SRW8.4","price":381.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0631\/9904\/files\/ngm18b-1_1156048924.jpg?v=1788924609"},{"product_id":"ground-shaker-gs-ngm110b-single-10-sealed-sub-box-fits-99-06-gmc-sierra-extended-cab","title":"Ground Shaker GS-NGM110B Single 10″ Sealed Sub Box — Fits 99–06 GMC Sierra Extended Cab","description":"\u003cp class=\"wl-intro\"\u003eIf you drive a 99–06 GMC Sierra Extended Cab, this Ground Shaker single 10\" sealed enclosure was shaped for it: it sits under the rear seat and fires upward. A sealed design keeps the bass controlled and musical, and it tucks one 10\" sub under the seat without giving up the cab. One install note from the spec sheet: 2007 fits only classic body style.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific enclosure for the 99–06 GMC Sierra Extended Cab\u003c\/li\u003e\n\u003cli\u003eSingle 10″ sealed design — 0.75 CUBIC ft³ air volume\u003c\/li\u003e\n\u003cli\u003eMounting depth 6 11\/16″\u003c\/li\u003e\n\u003cli\u003e5\/8″ high density MDF wood\u003c\/li\u003e\n\u003cli\u003eCarpeted with durable trunk liner finish\u003c\/li\u003e\n\u003cli\u003eSealed with high quality Titebond silicone\u003c\/li\u003e\n\u003cli\u003eGlued with high quality Titebond wood glue\u003c\/li\u003e\n\u003cli\u003e1 binding post terminal\u003c\/li\u003e\n\u003cli\u003eFits under the rear seat\u003c\/li\u003e\n\u003cli\u003eUpward firing\u003c\/li\u003e\n\u003cli\u003e2007 fits only classic body style\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eGS-NGM110B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e99–06 GMC Sierra Extended Cab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eSealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer Size\u003c\/td\u003e\n\u003ctd\u003eSingle 10″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd\u003e9 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Volume\u003c\/td\u003e\n\u003ctd\u003e0.75 CUBIC ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e21 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Depth\u003c\/td\u003e\n\u003ctd\u003e6 11\/16″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e8 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e32 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDepth\u003c\/td\u003e\n\u003ctd\u003e13 3\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cem\u003eSubwoofers not included. Price is each.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ground Shaker","offers":[{"title":"Default Title","offer_id":52320131645728,"sku":"GS-NGM110B","price":275.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0631\/9904\/files\/ngm110b-1.jpg?v=1788924612"},{"product_id":"ground-shaker-gs-ngm112b-single-12-sealed-sub-box-fits-99-06-gmc-sierra-extended-cab","title":"Ground Shaker GS-NGM112B Single 12″ Sealed Sub Box — Fits 99–06 GMC Sierra Extended Cab","description":"\u003cp class=\"wl-intro\"\u003eBuilt for the 99–06 GMC Sierra Extended Cab, this is Ground Shaker's single 12\" sealed enclosure, and it sits under the rear seat and fires upward. Sealed boxes like this favor tight, accurate bass over sheer volume. Subwoofers are not included, so bring your own or match it with one from the DS18 lineup.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific enclosure for the 99–06 GMC Sierra Extended Cab\u003c\/li\u003e\n\u003cli\u003eSingle 12″ sealed design — 0.75 CUBIC ft³ air volume\u003c\/li\u003e\n\u003cli\u003eMounting depth 6 11\/16″\u003c\/li\u003e\n\u003cli\u003e5\/8″ high density MDF wood\u003c\/li\u003e\n\u003cli\u003eCarpeted with durable trunk liner finish\u003c\/li\u003e\n\u003cli\u003eSealed with high quality Titebond silicone\u003c\/li\u003e\n\u003cli\u003eGlued with high quality Titebond wood glue\u003c\/li\u003e\n\u003cli\u003e1 binding post terminal\u003c\/li\u003e\n\u003cli\u003eFits under the rear seat\u003c\/li\u003e\n\u003cli\u003eUpward firing\u003c\/li\u003e\n\u003cli\u003e2007 fits only old body style\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eGS-NGM112B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e99–06 GMC Sierra Extended Cab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eSealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer Size\u003c\/td\u003e\n\u003ctd\u003eSingle 12″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd\u003e11 1\/8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Volume\u003c\/td\u003e\n\u003ctd\u003e0.75 CUBIC ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e21 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Depth\u003c\/td\u003e\n\u003ctd\u003e6 11\/16″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e8 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e32 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDepth\u003c\/td\u003e\n\u003ctd\u003e13 3\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cem\u003eSubwoofers not included. Price is each.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ground Shaker","offers":[{"title":"Default Title","offer_id":52320131711264,"sku":"GS-NGM112B","price":280.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0631\/9904\/files\/ngm112b-1_194313679.jpg?v=1788924615"},{"product_id":"ground-shaker-gs-ngmkk18b-single-8-solo-baric-sealed-sub-box-fits-99-06-gmc-sierra-extended-cab","title":"Ground Shaker GS-NGMKK18B Single 8″ Solo-Baric Sealed Sub Box — Fits 99–06 GMC Sierra Extended Cab","description":"\u003cp class=\"wl-intro\"\u003eIf you drive a 99–06 GMC Sierra Extended Cab, this Ground Shaker single 8\" sealed enclosure was shaped for it: it sits under the rear seat and fires upward. Sealed boxes like this favor tight, accurate bass over sheer volume. Subwoofers are not included, so bring your own or match it with one from the DS18 lineup.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific enclosure for the 99–06 GMC Sierra Extended Cab\u003c\/li\u003e\n\u003cli\u003eSingle 8″ sealed design — 0.75 CUBIC ft³ air volume\u003c\/li\u003e\n\u003cli\u003eMounting depth 6 11\/16″\u003c\/li\u003e\n\u003cli\u003e5\/8″ high density MDF wood\u003c\/li\u003e\n\u003cli\u003eCarpeted with durable trunk liner finish\u003c\/li\u003e\n\u003cli\u003eSealed with high quality Titebond silicone\u003c\/li\u003e\n\u003cli\u003eGlued with high quality Titebond wood glue\u003c\/li\u003e\n\u003cli\u003e1 binding post terminal\u003c\/li\u003e\n\u003cli\u003eFits under rear seat\u003c\/li\u003e\n\u003cli\u003eUpward firing\u003c\/li\u003e\n\u003cli\u003e2007 only fits older body style\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eGS-NGMKK18B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e99–06 GMC Sierra Extended Cab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eSealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer Size\u003c\/td\u003e\n\u003ctd\u003eSingle 8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd\u003e7 3\/8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Volume\u003c\/td\u003e\n\u003ctd\u003e0.75 CUBIC ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e22 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Depth\u003c\/td\u003e\n\u003ctd\u003e6 11\/16″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e8 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e32 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDepth\u003c\/td\u003e\n\u003ctd\u003e13 3\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cem\u003eSubwoofers not included. Price is each.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ground Shaker","offers":[{"title":"Default Title","offer_id":52320132137248,"sku":"GS-NGMKK18B","price":275.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0631\/9904\/files\/ngmkk18b-1.jpg?v=1788924618"},{"product_id":"ground-shaker-gs-ngmkk110b-single-10-solo-baric-sealed-sub-box-fits-99-06-gmc-sierra-extended-cab","title":"Ground Shaker GS-NGMKK110B Single 10″ Solo-Baric Sealed Sub Box — Fits 99–06 GMC Sierra Extended Cab","description":"\u003cp class=\"wl-intro\"\u003eBuilt for the 99–06 GMC Sierra Extended Cab, this is Ground Shaker's single 10\" sealed enclosure, and it sits under the rear seat and fires upward. Sealed boxes like this favor tight, accurate bass over sheer volume. One install note from the spec sheet: 2007 fits only old body style.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific enclosure for the 99–06 GMC Sierra Extended Cab\u003c\/li\u003e\n\u003cli\u003eSingle 10″ sealed design — 0.75 CUBIC ft³ air volume\u003c\/li\u003e\n\u003cli\u003eMounting depth 6 11\/16″\u003c\/li\u003e\n\u003cli\u003e5\/8″ high density MDF wood\u003c\/li\u003e\n\u003cli\u003eCarpeted with durable trunk liner finish\u003c\/li\u003e\n\u003cli\u003eSealed with high quality Titebond silicone\u003c\/li\u003e\n\u003cli\u003eGlued with high quality Titebond wood glue\u003c\/li\u003e\n\u003cli\u003e1 binding post terminal\u003c\/li\u003e\n\u003cli\u003eFits under the rear seat\u003c\/li\u003e\n\u003cli\u003eUpward firing\u003c\/li\u003e\n\u003cli\u003e2007 fits only old body style\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eGS-NGMKK110B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e99–06 GMC Sierra Extended Cab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eSealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer Size\u003c\/td\u003e\n\u003ctd\u003eSingle 10″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd\u003e9 3\/8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Volume\u003c\/td\u003e\n\u003ctd\u003e0.75 CUBIC ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e21 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Depth\u003c\/td\u003e\n\u003ctd\u003e6 11\/16″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e8 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e32 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDepth\u003c\/td\u003e\n\u003ctd\u003e13 3\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cem\u003eSubwoofers not included. Price is each.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ground Shaker","offers":[{"title":"Default Title","offer_id":52320132301088,"sku":"GS-NGMKK110B","price":280.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0631\/9904\/files\/ngmckk110b-1.jpg?v=1788924622"},{"product_id":"ground-shaker-gs-ngmkk112b-single-12-solo-baric-sealed-sub-box-fits-99-06-gmc-sierra-extended-cab","title":"Ground Shaker GS-NGMKK112B Single 12″ Solo-Baric Sealed Sub Box — Fits 99–06 GMC Sierra Extended Cab","description":"\u003cp class=\"wl-intro\"\u003eHere is Ground Shaker's single 12\" sealed enclosure for the 99–06 GMC Sierra Extended Cab; it sits under the rear seat and fires upward. A sealed design keeps the bass controlled and musical, and it tucks one 12\" sub under the seat without giving up the cab. One install note from the spec sheet: 2007 fits only old body style.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific enclosure for the 99–06 GMC Sierra Extended Cab\u003c\/li\u003e\n\u003cli\u003eSingle 12″ sealed design — 0.75 CUBIC ft³ air volume\u003c\/li\u003e\n\u003cli\u003eMounting depth 6 3\/4″\u003c\/li\u003e\n\u003cli\u003e5\/8″ high quality MDF wood\u003c\/li\u003e\n\u003cli\u003eCarpeted with durable trunk liner finish\u003c\/li\u003e\n\u003cli\u003eSealed with high quality Titebond silicone\u003c\/li\u003e\n\u003cli\u003eGlued with high quality Titebond wood glue\u003c\/li\u003e\n\u003cli\u003e1 binding post terminal\u003c\/li\u003e\n\u003cli\u003eFits under rear seat\u003c\/li\u003e\n\u003cli\u003eUpward firing\u003c\/li\u003e\n\u003cli\u003e2007 fits only old body style\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eGS-NGMKK112B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e99–06 GMC Sierra Extended Cab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eSealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer Size\u003c\/td\u003e\n\u003ctd\u003eSingle 12″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd\u003e11 1\/8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Volume\u003c\/td\u003e\n\u003ctd\u003e0.75 CUBIC ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e21 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Depth\u003c\/td\u003e\n\u003ctd\u003e6 3\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e8 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e32 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDepth\u003c\/td\u003e\n\u003ctd\u003e13 3\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cem\u003eSubwoofers not included. Price is each.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ground Shaker","offers":[{"title":"Default Title","offer_id":52320132399392,"sku":"GS-NGMKK112B","price":285.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0631\/9904\/files\/ngmckk112b-1.jpg?v=1788924625"},{"product_id":"ground-shaker-gs-ngm28b-dual-8-sealed-sub-box-fits-99-06-gmc-sierra-extended-cab","title":"Ground Shaker GS-NGM28B Dual 8″ Sealed Sub Box — Fits 99–06 GMC Sierra Extended Cab","description":"\u003cp class=\"wl-intro\"\u003eBuilt for the 99–06 GMC Sierra Extended Cab, this is Ground Shaker's dual 8\" sealed enclosure, and it sits under the rear seat and fires upward. Sealed boxes like this favor tight, accurate bass over sheer volume. It is sold as the box only; if you want it ready to wire, choose the matching DS18 subwoofers from the option menu.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific enclosure for the 99–06 GMC Sierra Extended Cab\u003c\/li\u003e\n\u003cli\u003eDual 8″ sealed design\u003c\/li\u003e\n\u003cli\u003eMounting depth 6 3\/4″\u003c\/li\u003e\n\u003cli\u003e2 individual chambers\u003c\/li\u003e\n\u003cli\u003e5\/8″ high quality MDF wood\u003c\/li\u003e\n\u003cli\u003eCarpeted with durable trunk liner finish\u003c\/li\u003e\n\u003cli\u003eSealed with high quality Titebond silicone\u003c\/li\u003e\n\u003cli\u003eGlued with high quality Titebond wood glue\u003c\/li\u003e\n\u003cli\u003e2 binding post terminals\u003c\/li\u003e\n\u003cli\u003eFits under rear seat\u003c\/li\u003e\n\u003cli\u003eUpward firing\u003c\/li\u003e\n\u003cli\u003e2007 fits only old body style\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eGS-NGM28B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e99–06 GMC Sierra Extended Cab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eSealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer Size\u003c\/td\u003e\n\u003ctd\u003eDual 8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd\u003e7 1\/8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Air Volume\u003c\/td\u003e\n\u003ctd\u003e1.78 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume Per Subwoofer\u003c\/td\u003e\n\u003ctd\u003e0.89 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e40 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Depth\u003c\/td\u003e\n\u003ctd\u003e6 3\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e8 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e54 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDepth\u003c\/td\u003e\n\u003ctd\u003e13 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eSubwoofer option\u003c\/h2\u003e\u003cp\u003eAdd two DS18 SRW8.4 shallow-mount 8\" subwoofers — 150W RMS \/ 300W MAX, SVC 4-ohm, 2.95\" mounting depth, 7.12\" front-mount cutout per DS18's dimension drawing — and they ship with the box, one per woofer opening. This box is cut 7 1\/8″ with 6 3\/4″ of mounting depth, so the SRW8.4 fits as shipped. Choose \"Box only\" to buy the enclosure alone.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eBox-only option: subwoofers not included. Price is each.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ground Shaker","offers":[{"title":"Box only","offer_id":52320132596000,"sku":"GS-NGM28B","price":310.0,"currency_code":"USD","in_stock":true},{"title":"+ 2× DS18 SRW8.4 shallow 8\" (150W RMS each)","offer_id":67796726939936,"sku":"GS-NGM28B+SRW8.4.2PK","price":533.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0631\/9904\/files\/ngm28b-1.jpg?v=1788924628"},{"product_id":"ground-shaker-gs-ngm210b-dual-10-sealed-sub-box-fits-99-06-gmc-sierra-extended-cab","title":"Ground Shaker GS-NGM210B Dual 10″ Sealed Sub Box — Fits 99–06 GMC Sierra Extended Cab","description":"\u003cp class=\"wl-intro\"\u003eHere is Ground Shaker's dual 10\" sealed enclosure for the 99–06 GMC Sierra Extended Cab; it sits under the rear seat and fires upward. It is a sealed box, so expect clean, tight low end that blends with the rest of the system rather than overpowering it. It is built from 5\/8\" MDF, carpeted in trunk liner, and glued and siliconed at every seam.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific enclosure for the 99–06 GMC Sierra Extended Cab\u003c\/li\u003e\n\u003cli\u003eDual 10″ sealed design\u003c\/li\u003e\n\u003cli\u003eMounting depth 6 3\/4″\u003c\/li\u003e\n\u003cli\u003e2 individual chambers\u003c\/li\u003e\n\u003cli\u003e5\/8″ high quality MDF wood\u003c\/li\u003e\n\u003cli\u003eCarpeted with durable trunk liner finish\u003c\/li\u003e\n\u003cli\u003eSealed with high quality Titebond silicone\u003c\/li\u003e\n\u003cli\u003eGlued with high quality Titebond wood glue\u003c\/li\u003e\n\u003cli\u003e2 binding post terminals\u003c\/li\u003e\n\u003cli\u003eFits under rear seat\u003c\/li\u003e\n\u003cli\u003eUpward firing\u003c\/li\u003e\n\u003cli\u003e2007 fits only old body style\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eGS-NGM210B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e99–06 GMC Sierra Extended Cab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eSealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer Size\u003c\/td\u003e\n\u003ctd\u003eDual 10″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd\u003e9 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Air Volume\u003c\/td\u003e\n\u003ctd\u003e1.78 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume Per Subwoofer\u003c\/td\u003e\n\u003ctd\u003e0.89 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e39 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Depth\u003c\/td\u003e\n\u003ctd\u003e6 3\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e8 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e54 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDepth\u003c\/td\u003e\n\u003ctd\u003e13 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cem\u003eSubwoofers not included. Price is each.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ground Shaker","offers":[{"title":"Default Title","offer_id":52320132694304,"sku":"GS-NGM210B","price":315.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0631\/9904\/files\/ngm210b-1.jpg?v=1788924632"},{"product_id":"ground-shaker-gs-ngm212b-dual-12-sealed-sub-box-fits-99-06-gmc-sierra-extended-cab","title":"Ground Shaker GS-NGM212B Dual 12″ Sealed Sub Box — Fits 99–06 GMC Sierra Extended Cab","description":"\u003cp class=\"wl-intro\"\u003eBuilt for the 99–06 GMC Sierra Extended Cab, this is Ground Shaker's dual 12\" sealed enclosure, and it sits under the rear seat and fires upward. A sealed design keeps the bass controlled and musical, and it tucks two 12\" subs under the seat without giving up the cab. It is built from 5\/8\" MDF, carpeted in trunk liner, and glued and siliconed at every seam.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific enclosure for the 99–06 GMC Sierra Extended Cab\u003c\/li\u003e\n\u003cli\u003eDual 12″ sealed design\u003c\/li\u003e\n\u003cli\u003eMounting depth 6 3\/4″\u003c\/li\u003e\n\u003cli\u003e2 individual chambers\u003c\/li\u003e\n\u003cli\u003e5\/8″ high quality MDF wood\u003c\/li\u003e\n\u003cli\u003eCarpeted with durable trunk liner finish\u003c\/li\u003e\n\u003cli\u003eSealed with high quality Titebond silicone\u003c\/li\u003e\n\u003cli\u003eGlued with high quality Titebond wood glue\u003c\/li\u003e\n\u003cli\u003e2 binding post terminals\u003c\/li\u003e\n\u003cli\u003eFits under rear seat\u003c\/li\u003e\n\u003cli\u003eUpward firing\u003c\/li\u003e\n\u003cli\u003e2007 fits only old body style\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eGS-NGM212B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e99–06 GMC Sierra Extended Cab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eSealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer Size\u003c\/td\u003e\n\u003ctd\u003eDual 12″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd\u003e11 1\/8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Air Volume\u003c\/td\u003e\n\u003ctd\u003e1.78 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume Per Subwoofer\u003c\/td\u003e\n\u003ctd\u003e0.89 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e38 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Depth\u003c\/td\u003e\n\u003ctd\u003e6 3\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e8 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e54 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDepth\u003c\/td\u003e\n\u003ctd\u003e13 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cem\u003eSubwoofers not included. Price is each.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ground Shaker","offers":[{"title":"Default Title","offer_id":52320132759840,"sku":"GS-NGM212B","price":320.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0631\/9904\/files\/ngm212b-1.jpg?v=1788924634"}],"url":"https:\/\/wavelengthusa.com\/collections\/gmc-sierra.oembed?page=11","provider":"Wavelength USA","version":"1.0","type":"link"}