{"product_id":"banks-42266","title":"Ram-Air® Intake System - 2020-23 GM 6.6L L5P 2500\/3500, Oiled Filter","description":"\u003cp\u003e\u003cstrong\u003e2020-2023 Chevy\/GMC 2500\/3500 6.6L Duramax L5P.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eDoes Not fit 2024-2025\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"product-title-container\"\u003e\n\u003cp\u003e\u003cstrong\u003eCold Air Intake w\/ Massive Oiled\/Dry Filter, Super Tube, \u0026amp; Air Mass Control Module\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0735\/0704\/5454\/files\/Screenshot_2026-06-22_223610.png?v=1782192983\" alt=\"\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003eA groundbreaking cold air intake featuring the patented Banks Air Mass Control Module. The electronic device allows our engineers to use the Banks SuperTube, a massive free-flowing intake tube, larger than stock and all competitors.\u003c\/p\u003e\n\u003cp\u003eNo other cold air intake even comes close in size or airflow. Adds power, sharpens turbo response, and improves fuel economy. Beats stock and competitors in mass airflow, pressure retention, and dirt capacity. Provides a strong induction note.\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eIncludes brand new Patented Banks Air Mass Control Module\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\"Big Ass Filter\" Extends service life and requires fewer cleanings\u003c\/li\u003e\n\u003cli\u003eEnclosed housing keeps out hot, power-robbing engine air\u003c\/li\u003e\n\u003cli\u003eUnique EPDM elbow with exclusive bellows for engine movement\u003c\/li\u003e\n\u003cli\u003eOversized airbox increases cool air volume around filter\u003c\/li\u003e\n\u003cli\u003eMassive two piece XLPE airbox for easy servicing\u003c\/li\u003e\n\u003cli\u003eConnects to OEM hood and forward ram air scoops\u003c\/li\u003e\n\u003cli\u003eMore audible and aggressive induction note\u003c\/li\u003e\n\u003cli\u003eOiled Air Filter Element\u003c\/li\u003e\n\u003cli\u003e5-year Limited Warranty\u003c\/li\u003e\n\u003cli\u003eNo Check Engine Light\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUS Patent #11,193,441\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePackage dimensions: 25 × 13 × 23 in\u003c\/li\u003e\n\u003cli\u003eShipping weight: 17 lb\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003cspan\u003e\u003csvg width=\"14\" height=\"8\" viewbox=\"0 0 14 8\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M13 6.81818L7 0.818176L1 6.81818\" stroke=\"var(--color-heading)\" stroke-width=\"1.3\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"collapsible__content accordion__content rte\" id=\"Accordion-collapsible_tab_WfXTb4-template--21418833871045__main-product\"\u003e\n\u003cp\u003eBrand new for the 2020-2023 Duramax L5P platform, the Banks Ram-Air intake is a game-changer. With 2020 and up Duramax engines, GM has further tightened the allowable range for induction tuning. To counter this, Banks engineers have designed a new patented Air Mass Control Module that allows an intake design to go beyond these limitations for truly unmatched airflow performance.\u003c\/p\u003e\n\u003cp\u003eWith a Big-Ass filter, huge induction tube and a unique bellowed silicone coupler to allow for engine movement while tapering down to increase air density, your 6.6L engine will breathe easy and cleanly. Its enclosed airbox design keeps power-robbing heat away and attaches to the OEM hood and front ram air scoops for even better performance at speed on the highway. An extra side inlet opens up to the wheel well for fresh air and a strong induction note sound.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eWhy It's Better\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003ch2\u003ePatented Electronics\u003c\/h2\u003e\n\u003cp\u003eThe ECM (Engine Control Module) in your 2020-23 Duramax monitors air mass and pressure so closely that any deviation from stock results in a check engine light.\u003c\/p\u003e\n\u003cp\u003eThe new patented\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBanks Air Mass Control Module\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eallows our engineers to design past this electronic limitation.\u003c\/p\u003e\n\u003cp\u003e—U.S. Patent #11,193,441\u003c\/p\u003e\n\u003cfigure\u003e\u003cimg alt=\"Hand holding the Banks Air Mass Control Module for scale\" src=\"https:\/\/shop-banks.s3.amazonaws.com\/products_data\/l5p_ramair\/42266_2020\/Air-Mass-Control-Module-In-Hand.jpg\"\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003chr class=\"description__hr\"\u003e\n\u003cdiv\u003e\n\u003ch2\u003eMassive Airflow\u003c\/h2\u003e\n\u003cp\u003eIn other words, all other competitive intakes must flow the same as stock past the Mass Air Flow sensor, whereas these stock airflow design constraints do not limit us.\u003c\/p\u003e\n\u003cfigure\u003e\u003cimg alt=\"MAF Cross Section Diagram\" src=\"https:\/\/shop-banks.s3.amazonaws.com\/products_data\/l5p_ramair\/42266_2020\/42266_MAF_Size_Compare.jpg\"\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003chr class=\"description__hr\"\u003e\n\u003cdiv\u003e\n\u003ch2\u003eUnrivaled Size and Capacity\u003c\/h2\u003e\n\u003cp\u003eThe all-new Ram-Air cold air intake system's large organic shape eliminates all restrictions and turbulence to the turbo. The radical new design allows for a massive\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e58% gain\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein Mass Air Flow over the stock system.\u003c\/p\u003e\n\u003cspan\u003eThe oversized filter has greater dust capacity giving you more miles between services and flows freely long after stock and competitors are clogged with debris.\u003c\/span\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe huge filter outlet smoothly tapers down providing the highest gains in air density.\u003c\/p\u003e\n\u003cfigure\u003e\u003cimg alt=\"42266, 42266-D, Banks Power, Ram-Air Intake, GMC L5P, Chevrolet L5P, Banks Ram-Air Intake\" src=\"https:\/\/shop-banks.s3.amazonaws.com\/products_data\/l5p_ramair\/42266_2020\/MAF-Graph-embedded-chart.jpg\" title=\"Mass Air Flow Chart for the banks Ram-Air Intake\"\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003chr class=\"description__hr\"\u003e\n\u003cdiv\u003e\n\u003ch2\u003eYour Stock Intake is Restrictive\u003c\/h2\u003e\n\u003cp\u003eThe 2020-23 Duramax OEM Air Box is a bulky multi-piece design with harsh bends, corners and is designed for dust collection, not performance. The air path is compromised by resonators and silencers in an effort to keep noise at a minimum.\u003c\/p\u003e\n\u003cp\u003eWhile the factory design does have inlets that mate to the hood's air scoop, its square filter and S-shaped flow path induces turbulence and drag to the intake system lowering Mass Air Flow.\u003c\/p\u003e\n\u003cfigure\u003e\u003cimg alt=\"Side XRay View of OEM vs Banks Ram-Air L5P Intake\" src=\"https:\/\/shop-banks.s3.amazonaws.com\/products_data\/l5p_ramair\/42266_2020\/Banks-Stock_Side_XRay.jpg\"\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003chr class=\"description__hr\"\u003e\n\u003cdiv\u003e\n\u003ch2\u003eThe Devil's in the Details\u003c\/h2\u003e\n\u003cp\u003eThe new Banks Ram-Air system features a durable heat-resistant Cross-Linked Polyethylene enclosure with a smooth organic shape that maximizes cool air volume around the filter and maintains air density into the box itself.\u003c\/p\u003e\n\u003cp\u003eThe top hood scoop duct now dumps directly into the airbox chamber improving the ram-air effect at speed.\u003c\/p\u003e\n\u003cp\u003eA side fender inlet away from engine heat further lowers the pressure drop in the system while also letting you hear your turbo better.\u003c\/p\u003e\n\u003cfigure\u003e\u003cimg alt=\"Top XRay View of OEM vs Banks Ram-Air L5P Intake\" src=\"https:\/\/shop-banks.s3.amazonaws.com\/products_data\/l5p_ramair\/42266_2020\/Banks-Stock_Top_XRay.jpg\"\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003chr class=\"description__hr\"\u003e\n\u003cdiv\u003e\n\u003ch2\u003eExclusive Bellows Free Performance\u003c\/h2\u003e\n\u003cp\u003eStandard factory style bellows induce drag to the intake. This added turbulence affects the boundary layer on the inside of the intake reducing the effective diameter for air to flow through.\u003c\/p\u003e\n\u003cp\u003eBanks' huge tapering intake elbow with exclusive bellows slide over the Banks Super-Tube allowing for free engine movement and unobstructed airflow into the turbo.\u003c\/p\u003e\n\u003cp\u003eThe elbow is made from EPDM synthetic rubber instead of silicone for greater environmental resistance and strength against damage or collapse under vacuum.\u003c\/p\u003e\n\u003cfigure\u003e\u003cimg alt=\"Top XRay View of OEM vs Banks Ram-Air L5P Intake Showing CFD effect of bellows\" src=\"https:\/\/shop-banks.s3.amazonaws.com\/products_data\/l5p_ramair\/42266_2020\/Banks_vs_Stock_Bellows.jpg\"\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003chr class=\"description__hr\"\u003e\n\u003cdiv\u003e\n\u003ch2\u003eAir Mass Matters\u003c\/h2\u003e\n\u003cp\u003eThe greater the air mass entering your engine, the less fuel your engine will consume.\u003c\/p\u003e\n\u003cp\u003eThat also means less engine heat going into the engine oil and coolant system since it is working less hard to make the same horsepower. In other words, improved fuel economy and less stress on the engine itself!\u003c\/p\u003e\n\u003cp\u003eYes, airflow (CFM) is important, but if the system flows more air, and that air is hot, you'll likely see a loss in horsepower and more stress on your engine.\u003c\/p\u003e\n\u003cp\u003ePressurized, cool, dense air is the winning combination. To learn more about air density,\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/official.bankspower.com\/density\/\" target=\"_blank\"\u003e\u003cu\u003esee this article.\u003c\/u\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cfigure\u003e\u003cimg alt=\"Stock vs Banks Ram-Air intake photo showcasing radical new design\" src=\"https:\/\/shop-banks.s3.amazonaws.com\/products_data\/l5p_ramair\/42266_2020\/Stock_vs_Banks.jpg\"\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003chr class=\"description__hr\"\u003e\n\u003cdiv\u003e\n\u003ch2\u003eA Big Filter — Engineered Right\u003c\/h2\u003e\n\u003cp\u003eThe massive filter sits angled down in the air box to discourage dirt and debris from getting wedged between the pleats and Its massive\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e51in\u003csup\u003e2\u003c\/sup\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efilter outlet Filter has over\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003etwice\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ethe airflow area of any competitor.\u003c\/p\u003e\n\u003cp\u003eThe Banks Super-Tube fits perfectly over the top of the filter which has an integrated collar to smoothly transition airflow from the air box and into the turbo with the lowest resistance and drag.\u003c\/p\u003e\n\u003cfigure\u003e\u003cimg alt=\"Banks Ram-Air Intake Tube and Filter Next to a can for scale\" src=\"https:\/\/shop-banks.s3.amazonaws.com\/products_data\/l5p_ramair\/42266_2020\/Banks_Big_Ass_Filter_Can.jpg\"\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003chr class=\"description__hr\"\u003e\n\u003cdiv\u003e\n\u003ch2\u003eBigger is Better When Properly Engineered\u003c\/h2\u003e\n\u003cp\u003eWhile other brands go for bragging rights for the \"biggest\" by cramming more pleats into their filters, they end up designing one that gets clogged faster and flows less air.\u003c\/p\u003e\n\u003cp\u003eJust having a big looking filter, does not mean it will perform the best.\u003c\/p\u003e\n\u003cp\u003eBanks massive filter has an optimized ratio of filter surface area, pleat count, and media thickness allowing it to outflow every other filter tested while breathing evenly from all sides. Banks wins again.\u003c\/p\u003e\n\u003cfigure\u003e\u003cimg alt=\"Banks L5P Ram-Air filter size comparison\" src=\"https:\/\/shop-banks.s3.amazonaws.com\/products_data\/l5p_ramair\/42266_2020\/42266_FIlter_Outlet.jpg\"\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg alt=\"Banks Air Filter Test vs aFe and S\u0026amp;B\" src=\"https:\/\/shop-banks.s3.amazonaws.com\/products_data\/l5p_ramair\/42266_2020\/42266_2020_L5P_RAI_Filter_Flow_MAF.png\"\u003e\u003c\/div\u003e","brand":"Banks Power","offers":[{"title":"Default Title","offer_id":43884076269646,"sku":"42266","price":495.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/0704\/5454\/files\/Screenshot2026-06-21005612.png?v=1782028704","url":"https:\/\/jkcperformance.com\/products\/banks-42266","provider":"JKC Performance LLC","version":"1.0","type":"link"}