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Fits 1500, 2500, and 3500 Crew Cab models.\u003c\/p\u003e\n\u003cp\u003eSSK-P208PG4E Dimensions: Width: 55.25\", Front Height: 10.75\", Rear Height: 5.5\", Height: 10.75\", Bottom Depth: 13.5\", Top Depth: 13.5\", Depth: 13.5\", Mounting Depth: 7\", Cutout Diameter: 7.32\", Weight: 40 LBS, Air Space per Cubic Foot: 0.5 Per Chamber, Tuning Frequency: 38Hz\u003c\/p\u003e\n\u003cp\u003eUpgrade Option - Steve Meade Designs - SMD TCR-1 Speaker Terminal Cup Specs:\u003cbr\u003e- Supports up to 2000 Watts, significantly higher than the standard 500 Watts.\u003cbr\u003e- Designed to endure demanding conditions without breaking or leaking.\u003cbr\u003e- Constructed from lightweight, high-strength materials for durability.\u003cbr\u003e- Includes stainless steel hardware to resist rust and corrosion.\u003cbr\u003e- Features a 5\/16\" bolt terminal for secure connections.\u003cbr\u003e- Cut-out diameter: 2.75 inches.\u003cbr\u003e- Flange diameter: 3.75 inches.\u003c\/p\u003e","brand":"SoundSkins Global","offers":[{"title":"Dual 8\" Ported GMC Sierra \/ Chevy Silverado 07-18 Down Fire Extended Cab \/ None \/ None","offer_id":41693765730378,"sku":"SSK-P208PG4E","price":399.0,"currency_code":"USD","in_stock":true},{"title":"Dual 8\" Ported GMC Sierra \/ Chevy Silverado 07-18 Down Fire Extended Cab \/ None \/ SMD Terminal Cup","offer_id":41693765795914,"sku":"SSK-P208PG4E-SMD","price":459.0,"currency_code":"USD","in_stock":true},{"title":"Dual 8\" Ported GMC Sierra \/ Chevy Silverado 07-18 Down Fire Extended Cab For Kicker Solo-Baric \/ None \/ None","offer_id":41693765861450,"sku":"SSK-P208PG4EK","price":399.0,"currency_code":"USD","in_stock":true},{"title":"Dual 8\" Ported GMC Sierra \/ Chevy Silverado 07-18 Down Fire Extended Cab For Kicker Solo-Baric \/ None \/ SMD Terminal Cup","offer_id":41693765926986,"sku":"SSK-P208PG4EK-SMD","price":459.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2594\/3626\/files\/SSK-P210SG4E_2_2832869a-e2bb-4a77-965b-2f53a2d669cb.png?v=1739390602"},{"product_id":"soundskins-enclosures-gmc-sierra-chevrolet-silverado-extended-cab-2007-2018-dual-10-sealed-premium-usa-made-subwoofer-box-with-bed-liner-spray-finish","title":"SoundSkins Enclosures | GMC Sierra \/ Chevrolet Silverado Extended Cab 2007-2018 Dual 10\" Sealed - Premium USA Made Subwoofer Box with Bed Liner Spray Finish","description":"\u003cp\u003eSoundSkins Global Dual 10” Sealed Down Fire Enclosures for 2007-2018 GM Extended Cabs. Available square Kicker specific options. Each SoundSkins box is coated with a durable bed liner polymer spray to enhance its longevity. These USA-made enclosures are constructed from high-grade, full 3\/4\" MDF, ensuring robustness and exceptional sound quality. Fits 1500, 2500, and 3500 Crew Cab models.\u003c\/p\u003e\n\u003cp\u003eDimensions: Width: 55.5\", Front Height: 11\", Rear Height: 7.5\", Height: 11\", Bottom Depth: 13\", Top Depth: 13\", Depth: 13\", Mounting Depth: 5\", Cutout Diameter: 9.25\", Weight: 40 LBS , Air Space per Cubic Foot: 0.5 Per Chamber\u003c\/p\u003e\n\u003cp\u003eUpgrade Option - Steve Meade Designs - SMD TCR-1 Speaker Terminal Cup Specs:\u003cbr\u003e- Supports up to 2000 Watts, significantly higher than the standard 500 Watts.\u003cbr\u003e- Designed to endure demanding conditions without breaking or leaking.\u003cbr\u003e- Constructed from lightweight, high-strength materials for durability.\u003cbr\u003e- Includes stainless steel hardware to resist rust and corrosion.\u003cbr\u003e- Features a 5\/16\" bolt terminal for secure connections.\u003cbr\u003e- Cut-out diameter: 2.75 inches.\u003cbr\u003e- Flange diameter: 3.75 inches.\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"SoundSkins Global","offers":[{"title":"Dual 10\" Sealed GMC Sierra \/ Chevy Silverado 07-18 Down Fire Extended Cab \/ None \/ None","offer_id":41693765992522,"sku":"SSK-P210SG4E","price":399.0,"currency_code":"USD","in_stock":true},{"title":"Dual 10\" Sealed GMC Sierra \/ Chevy Silverado 07-18 Down Fire Extended Cab \/ None \/ SMD Terminal Cup","offer_id":41693766058058,"sku":"SSK-P210SG4E-SMD","price":459.0,"currency_code":"USD","in_stock":true},{"title":"Dual 10\" Sealed GMC Sierra \/ Chevy Silverado 07-18 Down Fire Extended Cab For Kicker Solo-Baric \/ None \/ None","offer_id":41693766123594,"sku":"SSK-P210SG4EK","price":399.0,"currency_code":"USD","in_stock":true},{"title":"Dual 10\" Sealed GMC Sierra \/ Chevy Silverado 07-18 Down Fire Extended Cab For Kicker Solo-Baric \/ None \/ SMD Terminal Cup","offer_id":41693766189130,"sku":"SSK-P210SG4EK-SMD","price":459.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2594\/3626\/files\/SSK-P210SG4E_2_fc7ffe16-94c3-4d9b-8c46-05bf8765e376.png?v=1739390610"},{"product_id":"soundskins-enclosures-gmc-sierra-chevrolet-silverado-extended-cab-2007-2018-dual-12-sealed-premium-usa-made-subwoofer-box-with-bed-liner-spray-finish","title":"SoundSkins Enclosures | GMC Sierra \/ Chevrolet Silverado Extended Cab 2007-2018 Dual 12\" Sealed - Premium USA Made Subwoofer Box with Bed Liner Spray Finish","description":"\u003cp\u003eSoundSkins Global Dual 12” Sealed Down Fire Enclosures for 2007-2018 GM Extended Cabs. Available square Kicker specific options. Each SoundSkins box is coated with a durable bed liner polymer spray to enhance its longevity. These USA-made enclosures are constructed from high-grade, full 3\/4\" MDF, ensuring robustness and exceptional sound quality. 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