{"product_id":"1999-2026-gmc-sierra-double-extended-cab-4x8-quad-8-bass-package","title":"1999-2026 GMC Sierra Double\/Extended Cab 4x8 Quad 8 Bass Package","description":"\u003cp\u003eThis 1999-2026 GMC Sierra Double Cab and Extended Cab 4x8 quad 8-inch bass package is built for truck owners who want a complete Nemesis Audio bass system with clear fitment, strong output, and shipped-to-your-door convenience.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFits GMC Sierra 1500, 2500, and 3500 Double Cab \/ Extended Cab trucks in the 1999-2026 fitment range\u003c\/li\u003e\n\u003cli\u003eQuad 8-inch bass package with ported truck subwoofer enclosure\u003c\/li\u003e\n\u003cli\u003eIncludes Nemesis Audio subwoofers and FIERCE-5KD amplifier package components\u003c\/li\u003e\n\u003cli\u003eDesigned for daily bass, truck audio upgrades, and clean under-seat-style installs where fitment is confirmed\u003c\/li\u003e\n\u003cli\u003eFree shipping and Dallas installation support available through Super Car Audio\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFitment depends on cab configuration and model year. This listing is for GMC Sierra Double Cab \/ Extended Cab applications; Crew Cab, Regular Cab, and Chevrolet Silverado listings should be matched separately to avoid ordering the wrong enclosure.\u003c\/p\u003e","brand":"Nemesis Audio","offers":[{"title":"Default Title","offer_id":43459726049370,"sku":"GMC-DC-EC-4X8-1999-2026-FIERCE5KD","price":1499.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6339\/8490\/files\/gmc-double-cab-extended-cab-4x8-package.png?v=1780772435","url":"https:\/\/supercaraudio.com\/products\/1999-2026-gmc-sierra-double-extended-cab-4x8-quad-8-bass-package","provider":"Super Car Audio","version":"1.0","type":"link"}