{"product_id":"bakflip-mx4-hard-folding-tonneau-cover-for-14-18-chevrolet-gmc-silverado-sierra-1500-15-19-2500-3500-66-bed-448121","title":"BAKFlip MX4 Hard Folding Tonneau Cover For 14-18 Chevrolet\/GMC Silverado\/Sierra 1500 \u0026 15-19 2500\/3500 6'6\" Bed - 448121","description":"\u003cp\u003e\u003cem\u003e\u003cstrong\u003eThis model fits the 2014-2018 Chevrolet\/GMC Silverado\/Sierra 1500, 2015-2019 Silverado\/Sierra 2500\/3500 \u0026amp; 2019 Silverado\/Sierra 1500 LD\/LTD 6'6\" Bed\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003e\n\u003cmeta charset=\"utf-8\"\u003eThe New and Improved BAKFlip MX4 (GEN 3) Tonneau Cover by RealTruck\u003c\/h2\u003e\n\u003cp\u003eThe world’s top-selling truck bed cover has been refined. Meet the upgraded RealTruck BAKFlip® MX4 (GEN 3), the latest iteration of RealTruck’s flagship tonneau cover. This new generation enhances the features truck owners value most, offering superior durability, improved functionality, and heightened security. Crafted mainly from alloy materials, including heavy-duty aluminum panels and side rails reinforced with high-density polymer cores, it boasts a \u003cstrong\u003e22% strength increase\u003c\/strong\u003e over the original. \u003cstrong\u003eSecurity improvements include re-engineered locks\u003c\/strong\u003e alongside BAK’s patented auto-latching system for better protection against forced entry. Weather resistance is optimized with \u003cstrong\u003eredesigned EPDM rubber seals and a longer dual-action tailgate seal\u003c\/strong\u003e, ensuring a tight, reliable barrier. The cover fits flush with your truck’s bed rails for a sleek, low-profile look, finished in textured matte black. Installation is faster with a refined click-in system, and operation remains effortless, allowing full bed access without blocking the third brake light.\u003c\/p\u003e\n\u003cp\u003eThe MX4 is part of the \u003ca rel=\"noopener\" title=\"BAKFlip Tonneau Covers\" href=\"https:\/\/truckbedsupplies.com\/collections\/bakflip-tonneau-covers\" target=\"_blank\"\u003eBAKFlip Tonneau Cover Series\u003c\/a\u003e with a sleek matte finish and upgraded aluminum panels, the MX4 delivers top-tier protection and a flush, low-profile look that complements any truck.\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/rg8QxExu63U?si=WmR1xv-1ZEIs8efG\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLooking for the MX4 with the T-Slot rails for added accessories? Check out the \u003ca href=\"https:\/\/truckbedsupplies.com\/products\/bakflip-mx4-ts-hard-folding-tonneau-cover-w-t-slot-rails\" title=\"bakflip mx4 ts hard folding tonneau cover w\/ t-slot rails\" rel=\"noopener\" target=\"_blank\"\u003eBAKFlip MX4 TS\u003c\/a\u003e.\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2 class=\"text-sm\"\u003eKey Features Of The New BAKFlip MX4 (GEN 3)\u003c\/h2\u003e\n\u003cp class=\"text-sm\"\u003e\u003cspan\u003e\u003cstrong\u003eNOW EVEN MORE SECURE THAN GEN 2\u003c\/strong\u003e - \u003cmeta charset=\"utf-8\"\u003eThe new BAKFlip MX4 comes with an updated design tested to keep your gear on theft-resistant lockdown with a patented and upgraded auto-latch locking system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"text-sm\"\u003e\u003cspan\u003e\u003cstrong\u003e\u003cmeta charset=\"utf-8\"\u003eFITS TIGHTER TO KEEP WATER OUT -\u003c\/strong\u003e \u003c\/span\u003e\u003cspan\u003eImproved seals and all-new tight-fit clamps provide state-of-the-art weather protection.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"text-sm\"\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003ePROVEN FOR EXTREMES FROM ALASKA TO FLORIDA - \u003c\/strong\u003eTested in the harshest conditions—from -40 to 180℉ and zero to 95% humidity—and guaranteed by a 5-year warranty.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"text-sm\"\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eBUILT 22% STRONGER THAN THE ORIGINAL - \u003c\/strong\u003eConstructed for increased durability and heavy-duty use with a sturdy premium-grade aluminum surface and high-density polymer core.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"text-sm\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eMATTE BLACK FINISH\u003c\/strong\u003e - \u003c\/span\u003e\u003cspan\u003eThe all new matte black finish offers superior scratch resistance and UV protection.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"text-sm\"\u003e\u003cspan\u003e\u003cstrong\u003e\u003cmeta charset=\"utf-8\"\u003eNO WASTED BED SPACE, PARKED OR DRIVING -\u003c\/strong\u003e \u003c\/span\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003e100% bed access. All the time. Simply fold to the cab, easily secure, and safely drive with the cover fully open.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"text-sm\"\u003e\u003cspan\u003e\u003cstrong\u003e\u003cmeta charset=\"utf-8\"\u003eEASIER THAN EVER ONE-PERSON INSTALL -\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003eDIY installation is now 12% faster than the original with all-new click-in design. No need for an extra hand to help, and no drilling for most makes and models. Install yourself in under 30 minutes.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cdiv data-v-f1cca2b5=\"\"\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-density polymer-reinforced aluminum top panels are 22 percent stronger than the original MX4\u003c\/li\u003e\n\u003cli\u003ePrecision-engineered aluminum side rails and frame\u003c\/li\u003e\n\u003cli\u003eStriking textured black finish across all components\u003c\/li\u003e\n\u003cli\u003eFolds against the cab for 100 percent bed access\u003c\/li\u003e\n\u003cli\u003eRe-engineered prop rod clips for a secure hold\u003c\/li\u003e\n\u003cli\u003ePremium rubber bumpers protect the cab when folded into the upright position\u003c\/li\u003e\n\u003cli\u003eRe-engineered automatic latching panels offer improved security over the GEN 2 design\u003c\/li\u003e\n\u003cli\u003eComprehensive 3rd brake light visibility in all positions\u003c\/li\u003e\n\u003cli\u003eSimple one-person installation\u003c\/li\u003e\n\u003cli\u003e12 percent quicker installation with all-new click-in design\u003c\/li\u003e\n\u003cli\u003eRe-engineered perimeter seals and tight-fit clamps for superior weather protection\u003c\/li\u003e\n\u003cli\u003eExtra-long, dual-action tailgate seal available on most applications\u003c\/li\u003e\n\u003cli\u003eIntegrated water drainage system\u003c\/li\u003e\n\u003cli\u003e400 lbs. weight capacity (evenly distributed)\u003c\/li\u003e\n\u003cli\u003e5-year warranty\u003c\/li\u003e\n\u003cli\u003eAssembled in Missouri\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv data-v-f1cca2b5=\"\" class=\"description\"\u003e\n\u003ch2\u003e\n\u003cmeta charset=\"utf-8\"\u003e Why Choose the BAKFlip MX4?\u003c\/h2\u003e\n\u003cdiv data-v-f1cca2b5=\"\"\u003eWhether you're hauling gear for work or outdoor adventures, the BAKFlip MX4 offers \u003cstrong data-start=\"1632\" data-end=\"1651\"\u003erugged security\u003c\/strong\u003e, \u003cstrong data-start=\"1653\" data-end=\"1671\"\u003efull usability\u003c\/strong\u003e, and \u003cstrong data-start=\"1677\" data-end=\"1693\"\u003emodern style\u003c\/strong\u003e. It's ideal for anyone needing quick bed access with the added peace of mind of a hard, locking cover.\u003c\/div\u003e\n\u003cdiv data-v-f1cca2b5=\"\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"mt-0\"\u003eBAKFlip MX4 Specifications\u003c\/h2\u003e\n\u003cdiv class=\"grid grid-cols-3 space-x-6\"\u003e\n\u003cspan class=\"font-bold col-span-1\"\u003eBrand: \u003c\/span\u003e\u003cspan class=\"col-span-2\"\u003eBAK\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid grid-cols-3 space-x-6\"\u003e\n\u003cspan class=\"font-bold col-span-1\"\u003eFinish: \u003c\/span\u003e\u003cspan class=\"col-span-2\"\u003eMatte Black\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid grid-cols-3 space-x-6\"\u003e\n\u003cspan class=\"font-bold col-span-1\"\u003eWarranty: \u003c\/span\u003e\u003cspan class=\"col-span-2\"\u003e5 Years\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid grid-cols-3 space-x-6\"\u003e\n\u003cspan class=\"font-bold col-span-1\"\u003eMaterial: \u003c\/span\u003e\u003cspan class=\"col-span-2\"\u003eAluminum\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid grid-cols-3 space-x-6\"\u003e\n\u003cspan class=\"font-bold col-span-1\"\u003eMADE IN AMERICA:\u003c\/span\u003e\u003cspan class=\"col-span-2\"\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"prop-65 relative inline-block font-bold mt-4 mb-3 group\"\u003eCalifornia Residents: \u003cspan class=\"font-normal underline cursor-pointer\"\u003eProp 65 Warning\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"prop-65 relative inline-block font-bold mt-4 mb-3 group\"\u003e\n\u003cspan class=\"font-normal underline cursor-pointer\"\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"prop-65 relative inline-block font-bold mt-4 mb-3 group\"\u003e\n\u003ch2\u003eWHAT'S IN THE BOX\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eTonneau Cover\u003c\/li\u003e\n\u003cli\u003eHardware Kit\u003c\/li\u003e\n\u003cli\u003eClamps\u003c\/li\u003e\n\u003cli\u003eRails\u003c\/li\u003e\n\u003cli\u003eInstall Guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompared to Other BAKFlip Covers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eG2: Standard aluminum build, 300 lb capacity, 3-year warranty\u003c\/li\u003e\n\u003cli\u003eF1: Fiberglass-reinforced polymer top, enhanced weather resistance\u003c\/li\u003e\n\u003cli\u003eFiberMax: FRP top with an aluminum core for hybrid performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWant to browse all models? Check out our \u003ca href=\"https:\/\/truckbedsupplies.com\/collections\/bak-industries-tonneau-covers?category\/BAK-Industries-Tonneau-Covers\" title=\"BAK Industries Tonneau Covers\" rel=\"noopener\" target=\"_blank\"\u003eBAK Industries Tonneau Covers Collection\u003c\/a\u003e.\u003cspan class=\"font-normal underline cursor-pointer\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eFor a more in-depth review checkout our \u003ca href=\"https:\/\/truckbedsupplies.com\/blogs\/tonneau-covers\/bakflip-mx4-vs-g2-which-hard-folding-tonneau-cover-is-right-for-you\" title=\"BAKflip MX4 vs BAKflip G2\" rel=\"noopener\" target=\"_blank\"\u003eBAKflip MX4 vs. BAKflip G2 Article\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3 data-start=\"2565\" data-end=\"2609\"\u003eTrusted by Thousands of Truck Owners\u003c\/h3\u003e\n\u003cp data-start=\"2610\" data-end=\"2869\"\u003eThe BAKFlip MX4 is consistently one of the \u003cstrong data-start=\"2653\" data-end=\"2713\"\u003etop-selling hard folding tonneau covers in North America\u003c\/strong\u003e. Its combination of rugged build quality, sleek design, and ease of use makes it a top pick for truck enthusiasts, contractors, and everyday drivers alike.\u003c\/p\u003e\n\u003ch2 data-start=\"2610\" data-end=\"2869\"\u003e\n\u003cmeta charset=\"utf-8\"\u003eFrequently Asked Questions – BAKFlip MX4\u003c\/h2\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong data-end=\"335\" data-start=\"274\"\u003eQ: What is the difference between the BAKFlip MX4 and G2?\u003c\/strong\u003e\u003cbr data-end=\"338\" data-start=\"335\"\u003eA: The BAKFlip MX4 has upgraded aluminum panels with a matte finish and a higher 400 lb weight capacity, compared to the G2’s standard glossy panels and 300 lb limit. The MX4 also includes dual drain tubes and improved seals for better weather resistance.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong data-end=\"637\" data-start=\"600\"\u003eQ: Is the BAKFlip MX4 waterproof?\u003c\/strong\u003e\u003cbr data-end=\"640\" data-start=\"637\"\u003eA: While no tonneau cover is 100% waterproof, the BAKFlip MX4 offers excellent water resistance. It features EPDM rubber seals, a drainage system, and full perimeter weather stripping to keep your truck bed dry in most weather conditions.\u003c\/p\u003e\n\u003cp data-end=\"1139\" data-start=\"885\"\u003e\u003cstrong data-end=\"954\" data-start=\"885\"\u003eQ: Can I open and close the tailgate with the BAKFlip MX4 closed?\u003c\/strong\u003e\u003cbr data-end=\"957\" data-start=\"954\"\u003eA: Yes! The BAKFlip MX4 is designed to work with your tailgate. You can close and open the tailgate without having to lift the cover, which makes everyday use easier and more secure.\u003c\/p\u003e\n\u003cp data-end=\"1399\" data-start=\"1146\"\u003e\u003cstrong data-end=\"1179\" data-start=\"1146\"\u003eQ: Does the BAKFlip MX4 lock?\u003c\/strong\u003e\u003cbr data-end=\"1182\" data-start=\"1179\"\u003eA: The MX4 itself does not have a built-in locking mechanism, but it secures automatically when the tailgate is closed and locked. For trucks with a locking tailgate, this adds a high level of security for your cargo.\u003c\/p\u003e\n\u003cp data-end=\"1399\" data-start=\"1146\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong data-end=\"1457\" data-start=\"1406\"\u003eQ: How much weight can the BAKFlip MX4 support?\u003c\/strong\u003e\u003cbr data-end=\"1460\" data-start=\"1457\"\u003eA: The BAKFlip MX4 can support up to \u003cstrong data-end=\"1537\" data-start=\"1497\"\u003e400 lbs of evenly distributed weight\u003c\/strong\u003e. It’s great for securing tools, cargo, or even light equipment on top when parked.\u003c\/p\u003e\n\u003cp data-end=\"1399\" data-start=\"1146\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong data-end=\"1688\" data-start=\"1627\"\u003eQ: Can I drive with the BAKFlip MX4 in the open position?\u003c\/strong\u003e\u003cbr data-end=\"1691\" data-start=\"1688\"\u003eA: Yes. The MX4 folds upright and secures in place using built-in prop rods, allowing you to drive with full bed access without blocking your third brake light.\u003c\/p\u003e\n\u003cp data-end=\"1399\" data-start=\"1146\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong data-end=\"1899\" data-start=\"1858\"\u003eQ: Does the BAKFlip MX4 fit my truck?\u003c\/strong\u003e\u003cbr data-end=\"1902\" data-start=\"1899\"\u003eA: The MX4 is custom-fit to specific truck beds. Use our vehicle selector tool or contact our support team to ensure a perfect fit for your make, model, and bed length.\u003c\/p\u003e\n\u003cp data-end=\"2282\" data-start=\"2077\"\u003e\u003cstrong data-end=\"2133\" data-start=\"2077\"\u003eQ: How long does it take to install the BAKFlip MX4?\u003c\/strong\u003e\u003cbr data-end=\"2136\" data-start=\"2133\"\u003eA: Installation typically takes \u003cstrong data-end=\"2185\" data-start=\"2168\"\u003e30–60 minutes\u003c\/strong\u003e and requires no drilling or special tools. It clamps onto your truck bed rails for a secure fit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch4 class=\"mt-0\"\u003eBAKFlip MX4 Installation Guide\u003c\/h4\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eInstalling the BAKFlip MX4 is quick and easy using the included clamp system and instructions. Operating the cover is just as simple—drop the tailgate, release the rear latch mechanism, and fold the cover toward the bulkhead. If full bed access is required, fold the cover flush against the rear window and support it with the integrated prop rods and re-engineered clips.\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"block my-6\"\u003e\n\u003cp\u003e\u003cstrong\u003eINSTALLATION TIME\u003c\/strong\u003e\u003cbr\u003eLess than 1 hour\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eINSTALLATION DIFFICULTY\u003c\/strong\u003e\u003cbr\u003eLevel 1: Simple installation\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eINSTALLATION OVERVIEW\u003c\/strong\u003e\u003cbr\u003eThe BAKFlip MX4 Tonneau Cover offers a simple bolt-on installation using the included clamps—no cutting, trimming, or drilling is required. Each order contains all necessary hardware and clamps for a hassle-free installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mb-4\"\u003e\n\u003cdiv class=\"flex items-center\"\u003e\n\u003cdiv\u003e\n\u003ca href=\"https:\/\/static.thiecommerce.com\/assets\/production\/bakflip-hard-folding-cover-standard-isheet-v2\/a30a4a36a4e724a9315082d89ae7a650.pdf\" target=\"_blank\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/static.thiecommerce.com\/assets\/production\/bakflip-hard-folding-cover-chevy-silverado-isheet\/756bf44a5fd9a10a2f8731014bb3ba74.pdf\" target=\"_blank\"\u003eBAKFlip Hard Folding Cover Chevy\/Silverado iSheet\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/kCGXt-x4HqQ?si=p_AYD1Z4FtzyX9lm\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch4\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/6D5DgkkkNJU?si=syHrjsd5P83K4soU\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/h4\u003e\n\u003ch4\u003eWarranty\u003c\/h4\u003e\n\u003cp\u003eBAKFlip MX4 Tonneau Cover includes a 5-Year Limited Warranty against structural defects in materials and workmanship. Original purchase proof required; warranty applies to original purchaser only and is non-transferable. BAK determines repair or replacement eligibility. Warranty excludes damage from accidents, misuse, improper installation, modifications, or normal wear. Shipping charges apply for warranty service.\u003c\/p\u003e\n\u003c!----\u003e\u003c!----\u003e","brand":"BAK","offers":[{"title":"Default Title","offer_id":46952913273075,"sku":"448121","price":1099.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/6677\/6563\/files\/gmc_mx4_8117b532-f346-4e9f-896a-7e5bd4c49eb7.webp?v=1763570217","url":"https:\/\/truckbedsupplies.com\/products\/bakflip-mx4-hard-folding-tonneau-cover-for-14-18-chevrolet-gmc-silverado-sierra-1500-15-19-2500-3500-66-bed-448121","provider":"Truck Bed Supplies","version":"1.0","type":"link"}