{"product_id":"2014-and-up-gm-crew-cab-dual-upfire-box-new","title":"2014 \u0026 Up GM Crew Cab Dual Upfire Box *New*","description":"\u003cp\u003e\u003cstrong\u003ePart #: CRB14-UF\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"FONT-SIZE: small\"\u003eFits: 2014 \u0026amp; Up GM 4 Door \nCrew\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"FONT-SIZE: small\"\u003eApprox. Empty Weight: 28 \nlbs\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"FONT-SIZE: small\"\u003eMDF Construction \u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"FONT-SIZE: small\"\u003eInstalls under the rear seat\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"FONT-SIZE: small\"\u003eNo modifications required\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"FONT-SIZE: small\"\u003eDoes not affect rear seat\u003cbr\u003eSpeakers will not contact \nseat\u003cbr\u003eGrilles can be used if desired\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"FONT-SIZE: small\"\u003eFits Two Shallow 10\" or 12\" \u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"FONT-SIZE: small\"\u003eMounting Depth: 3.5\"\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"FONT-SIZE: small\"\u003eVolume: .85 cu.ft per side\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"FONT-SIZE: small\"\u003eSealed Box \u003cbr\u003eBraced between subs\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"FONT-SIZE: small\"\u003eFinish: Carpet\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"FONT-SIZE: small\"\u003eTerminals: Installed\u003cbr\u003eLogo Options: Sierra, \nSilverado\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"FONT-SIZE: small\"\u003eSubwoofers Sold \nSeparately\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"FONT-SIZE: small\"\u003e\u003c\/span\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"FONT-SIZE: small\"\u003eOur box for the new 2014 GM Crew fits \nperfectly under the rear seat.  No modifications to the truck or seat are \nneeded.  The subs are recessed into the box to avoid contacting the bottom \nof the seat.  The air gap is vented toward the front so the bass waves are \nnot blocked or muffled by the seat.  If you are looking for something \ndifferent and unique and makes some serious bass, this is your ticket.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"FONT-SIZE: small\"\u003e\u003c\/span\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"FONT-SIZE: small\"\u003e\u003c\/span\u003e\u003cspan style=\"FONT-SIZE: small\"\u003e\u003c\/span\u003e \u003c\/p\u003e","brand":"Subthump.com","offers":[{"title":"Dual 10 Round Slim \/ Charcoal Gray \/ none","offer_id":43862931079234,"sku":"CRB14-UF","price":149.0,"currency_code":"USD","in_stock":true},{"title":"Dual 10 Round Slim \/ Charcoal Gray \/ Silverado","offer_id":43862931112002,"sku":"CRB14-UF","price":184.0,"currency_code":"USD","in_stock":true},{"title":"Dual 10 Round Slim \/ Charcoal Gray \/ Sierra","offer_id":43862931144770,"sku":"CRB14-UF","price":174.0,"currency_code":"USD","in_stock":true},{"title":"Dual 10 Round Slim \/ Black \/ none","offer_id":43862931177538,"sku":"CRB14-UF","price":169.0,"currency_code":"USD","in_stock":true},{"title":"Dual 10 Round Slim \/ Black \/ 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