{"product_id":"2021-ford-f150-behind-seat-subwoofer-box","title":"2021+ Ford F150 Behind Seat Subwoofer Box","description":"\u003cp data-end=\"723\" data-start=\"566\"\u003eIf you want serious bass in your 2021+ Ford F-150 without giving up usable space, this enclosure was built for that exact job.\u003c\/p\u003e\n\u003cp data-end=\"1053\" data-start=\"725\"\u003eThis is a sealed subwoofer box designed specifically for the Stereo Integrity BM-11 and made to fit behind the rear seat of 2021+ Ford F-150 Crew Cab\/SuperCrew trucks. The enclosure includes integrated side mounting provisions for a Kicker Key 500.1 amplifier, with easy access to the amp’s controls and settings once installed.\u003c\/p\u003e\n\u003cp data-end=\"1320\" data-start=\"1055\"\u003eWith \u003cstrong data-end=\"1088\" data-start=\"1060\"\u003e0.54 ft³ internal volume\u003c\/strong\u003e, this box is designed to deliver tight, controlled bass from the BM-11 in a compact behind-seat package. Each enclosure is \u003cstrong data-end=\"1230\" data-start=\"1212\"\u003ebuilt to order\u003c\/strong\u003e and includes the brackets, mounting hardware, and speaker terminal needed to get started.\u003c\/p\u003e\n\u003cp data-end=\"1622\" data-start=\"1322\"\u003eThe enclosure is \u003cstrong data-end=\"1373\" data-start=\"1339\"\u003e3D printed from a very durable plastic\u003c\/strong\u003e, resulting in an extremely stiff and sturdy box. Because the enclosure is printed in two sections and then plastic welded together, there will be a visible cosmetic seam down the center. This does \u003cstrong data-end=\"1579\" data-start=\"1572\"\u003enot\u003c\/strong\u003e affect strength or performance in any way.\u003c\/p\u003e\n\u003cp data-end=\"1906\" data-start=\"1624\"\u003e\u003cstrong data-end=\"1651\" data-start=\"1624\"\u003eImportant fitment note:\u003c\/strong\u003e\u003cbr data-end=\"1654\" data-start=\"1651\"\u003eThe box fits in the truck as-is, but a \u003cstrong data-end=\"1725\" data-start=\"1693\"\u003eseat recline kit is required\u003c\/strong\u003e if you want enough clearance for the lower rear seat cushion to fold fully into the upright position without interference. Generic seat recline kits are commonly available on eBay. \u003c\/p\u003e\n\u003cp data-end=\"2038\" data-start=\"1908\"\u003eFoam tape is recommended to properly seal the subwoofer to the enclosure. Buyer is responsible for wiring and proper installation. Basic problem solving and experience may be required for proper installation.\u003cbr\u003e\u003cbr\u003eThis has been tested and verified to fit 2021-2026 model F150 Crew Cab Pickups.\u003cbr\u003e\u003cbr\u003eNot verified to fit \u003cspan\u003evehicles equipped with Premium audio B\u0026amp;O system.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003eIt should fit the following but has not been verified.\u003c\/p\u003e\n\u003cul data-testid=\"fitments-unordered-list\" class=\"list-none-desc my-2 ml-5 list-disc marker:text-black\"\u003e\n\u003cli class=\"marker:text-black\"\u003e\n\u003cdiv data-testid=\"unorderedlist-typo\" class=\"text-base font-normal leading-6\"\u003e\n\u003cdiv\u003eFord F-150 2015-2026\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"marker:text-black\"\u003e\n\u003cdiv data-testid=\"unorderedlist-typo\" class=\"text-base font-normal leading-6\"\u003e\n\u003cdiv\u003eFord F-250 Super Duty 2017-2026\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"marker:text-black\"\u003e\n\u003cdiv data-testid=\"unorderedlist-typo\" class=\"text-base font-normal leading-6\"\u003e\n\u003cdiv\u003eFord F-350 Super Duty 2026\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"marker:text-black\"\u003e\n\u003cdiv data-testid=\"unorderedlist-typo\" class=\"text-base font-normal leading-6\"\u003e\n\u003cdiv\u003eFord F-450 Super Duty 2026\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"marker:text-black\"\u003e\n\u003cdiv data-testid=\"unorderedlist-typo\" class=\"text-base font-normal leading-6\"\u003e\n\u003cdiv\u003eFord F-550 Super Duty 2026\u003c\/div\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"2054\" data-start=\"2040\"\u003e\u003cstrong data-end=\"2052\" data-start=\"2040\"\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"2518\" data-start=\"2055\"\u003e\n\u003cli data-end=\"2109\" data-start=\"2055\" data-section-id=\"c4hoo4\"\u003eDesigned for \u003cstrong data-end=\"2109\" data-start=\"2070\"\u003e2021+ Ford F-150 Crew Cab\/SuperCrew\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2165\" data-start=\"2110\" data-section-id=\"1dbrtor\"\u003eBuilt specifically for the \u003cstrong data-end=\"2165\" data-start=\"2139\"\u003eStereo Integrity BM-11\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2197\" data-start=\"2166\" data-section-id=\"yggzde\"\u003eFits \u003cstrong data-end=\"2197\" data-start=\"2173\"\u003ebehind the rear seat\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2220\" data-start=\"2198\" data-section-id=\"avj5qg\"\u003e\u003cstrong data-end=\"2220\" data-start=\"2200\"\u003eSealed enclosure\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-end=\"2251\" data-start=\"2221\" data-section-id=\"12538yh\"\u003e\u003cstrong data-end=\"2251\" data-start=\"2223\"\u003e0.54 ft³ internal volume\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-end=\"2310\" data-start=\"2252\" data-section-id=\"1730nn\"\u003eIntegrated side mount for \u003cstrong data-end=\"2310\" data-start=\"2280\"\u003eKicker Key 500.1 amplifier\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2357\" data-start=\"2311\" data-section-id=\"194duvb\"\u003eAmp mount allows \u003cstrong data-end=\"2357\" data-start=\"2330\"\u003eeasy access to settings\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2432\" data-start=\"2393\" data-section-id=\"1y0l5el\"\u003eExtremely stiff, durable construction\u003c\/li\u003e\n\u003cli data-end=\"2497\" data-start=\"2433\" data-section-id=\"739jgb\"\u003eIncludes \u003cstrong data-end=\"2497\" data-start=\"2444\"\u003ebrackets, mounting hardware, and speaker terminal\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2518\" data-start=\"2498\" data-section-id=\"1n2wba3\"\u003e\u003cstrong data-end=\"2518\" data-start=\"2500\"\u003eBuilt to order\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"2541\" data-start=\"2520\"\u003e\u003cstrong data-end=\"2539\" data-start=\"2520\"\u003eWhat’s Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"2637\" data-start=\"2542\"\u003e\n\u003cli data-end=\"2572\" data-start=\"2542\" data-section-id=\"1nirgne\"\u003eSealed subwoofer enclosure\u003c\/li\u003e\n\u003cli data-end=\"2594\" data-start=\"2573\" data-section-id=\"dlou72\"\u003eMounting brackets\u003c\/li\u003e\n\u003cli data-end=\"2616\" data-start=\"2595\" data-section-id=\"17tjvln\"\u003eMounting hardware\u003c\/li\u003e\n\u003cli data-end=\"2637\" data-start=\"2617\" data-section-id=\"tcfipj\"\u003eSpeaker terminal\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"2664\" data-start=\"2639\"\u003e\u003cstrong data-end=\"2662\" data-start=\"2639\"\u003eWhat’s Not Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"2793\" data-start=\"2665\"\u003e\n\u003cli data-end=\"2701\" data-start=\"2665\" data-section-id=\"l1fayd\"\u003eStereo Integrity BM-11 subwoofer( see our bundled option \u003ca href=\"https:\/\/sideprojectsolutions.com\/products\/f150-box-bm-11-bundle?variant=45333748285474\"\u003ehere\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli data-end=\"2732\" data-start=\"2702\" data-section-id=\"1l3lbvt\"\u003eKicker Key 500.1 amplifier\u003c\/li\u003e\n\u003cli data-end=\"2743\" data-start=\"2733\" data-section-id=\"ivdo2s\"\u003eWiring or wiring harness\u003c\/li\u003e\n\u003cli data-end=\"2757\" data-start=\"2744\" data-section-id=\"ep5m0d\"\u003eFoam tape\u003c\/li\u003e\n\u003cli data-end=\"2778\" data-start=\"2758\" data-section-id=\"jt9qkn\"\u003eSeat recline kit\u003c\/li\u003e\n\u003cli data-end=\"2793\" data-start=\"2779\" data-section-id=\"1tl2ot0\"\u003eInstallation incidentals\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"2829\" data-start=\"2795\"\u003e\u003cstrong data-end=\"2827\" data-start=\"2795\"\u003eFitment \/ Installation Notes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"3202\" data-start=\"2830\"\u003e\n\u003cli data-end=\"2876\" data-start=\"2830\" data-section-id=\"1x31h9g\"\u003eFits \u003cstrong data-end=\"2876\" data-start=\"2837\"\u003e2021+ Ford F-150 Crew Cab\/SuperCrew\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2908\" data-start=\"2877\" data-section-id=\"19k7q3s\"\u003eInstalls behind the rear seat\u003c\/li\u003e\n\u003cli data-end=\"3047\" data-start=\"2909\" data-section-id=\"c77d67\"\u003eA \u003cstrong data-end=\"2957\" data-start=\"2913\"\u003eseat recline kit is recommended\/required\u003c\/strong\u003e for enough clearance to allow the lower seat cushion to fold upright without interference\u003c\/li\u003e\n\u003cli data-end=\"3121\" data-start=\"3048\" data-section-id=\"1k3dsxj\"\u003eFoam tape is suggested between the subwoofer and box for proper sealing\u003c\/li\u003e\n\u003cli data-end=\"3202\" data-start=\"3122\" data-section-id=\"y8lgjn\"\u003eBuyer is responsible for confirming fitment and performing proper installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"3301\" data-start=\"3204\"\u003e\u003cstrong data-end=\"3217\" data-start=\"3204\"\u003eLead Time\u003c\/strong\u003e\u003cbr data-end=\"3220\" data-start=\"3217\"\u003ePlease allow \u003cstrong data-end=\"3250\" data-start=\"3233\"\u003eup to 2 weeks\u003c\/strong\u003e for shipment, as each enclosure is built to order.\u003c\/p\u003e\n\u003cp data-end=\"3558\" data-start=\"3303\"\u003e\u003cstrong data-end=\"3337\" data-start=\"3303\"\u003eCondition \/ Manufacturing Note\u003c\/strong\u003e\u003cbr data-end=\"3340\" data-start=\"3337\"\u003eThis enclosure is 3D printed in two separate sections and then welded together. A visible cosmetic parting line will be present down the center. This is normal and does not affect performance, stiffness, or durability.\u003c\/p\u003e","brand":"Side Project Solutions","offers":[{"title":"Default Title","offer_id":45245671047202,"sku":null,"price":450.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/9773\/3410\/files\/PXL_20260416_185145686.MP_2.jpg?v=1776366327","url":"https:\/\/sideprojectsolutions.com\/products\/2021-ford-f150-behind-seat-subwoofer-box","provider":"Side Project Solutions","version":"1.0","type":"link"}