{"product_id":"banks-power-boost-tube-upgrade-kit-2020-2021-chevy-gmc-2500-3500-6-6l-duramax-l5p","title":"Banks Power Boost Tube Upgrade Kit – 2020-2021 Chevy\/GMC 2500 \/ 3500 6.6L Duramax (L5P)","description":"\u003cp\u003e\u003cstrong\u003eUnlock true airflow potential for your L5P Duramax.\u003c\/strong\u003e This Boost Tube Upgrade Kit from Banks Power replaces the restrictive factory charge-air-cooler (CAC) piping with massive 3.5″ constant-diameter mandrel-bent steel tubes designed for maximum flow, reduced pressure drop, and quicker turbo response.\u003c\/p\u003e\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3.5″ Constant Diameter Tubing\u003c\/strong\u003e – Much larger than stock tubing, delivering substantial flow gains.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMandrel-Bent Aluminized Steel Construction\u003c\/strong\u003e – Engineered for strength and durability under high boost and elevated thermal loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBillet Venturi-Style Couplers\u003c\/strong\u003e – Designed to maintain boost pressure and reduce flow turbulence.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy Duty 5-Ply Silicone Couplers \u0026amp; Constant-Tension Clamps\u003c\/strong\u003e – For robust sealing and long-term reliability under stress.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect-Fit for 2020-21 Chevy\/GMC 2500\/3500 with 6.6L Duramax\u003c\/strong\u003e – Works with OEM intercooler and intake components for a streamlined install.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBenefits:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFlows up to 26-45% more air compared to stock, resulting in faster turbo spool-up and improved boost retention.\u003c\/li\u003e\n\u003cli\u003eReduces charge-air system pressure drop, so your turbo and engine work less hard to make power.\u003c\/li\u003e\n\u003cli\u003eReplaces weak or restrictive factory plastic\/rubber tubing with a durable steel solution built for performance and longevity.\u003c\/li\u003e\n\u003cli\u003eIdeal for tuned trucks, towing duty, or any driver who demands better airflow and throttle response from their Duramax.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFits: 2020-2021 Chevy Silverado \/ GMC Sierra 2500 \/ 3500 with 6.6L Duramax (L5P)\u003c\/li\u003e\n\u003cli\u003eMaterial: Mandrel-Bent Aluminized Steel with Silicone Couplers\u003c\/li\u003e\n\u003cli\u003eTubing Diameter: 3.5″ Constant Diameter\u003c\/li\u003e\n\u003cli\u003eFinish: Black or Red Powder Coat (per variant)\u003c\/li\u003e\n\u003cli\u003eInstallation Time: Approx. 4-6 hours\u003c\/li\u003e\n\u003cli\u003eSKU: 26005\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis upgrade from Banks Power is engineered to push your Duramax’s airflow path into high-performance territory. By moving to full 3.5″ steel tubes and precision couplers, you’ll unlock quicker spool, lower intake temps under load, and a system built to sustain more boost. If you’re running a tune, towing heavy or simply want more throttle response, this kit is a critical step.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote: Always verify your exact vehicle model, year and engine variant (6.6L L5P) before purchase. Ensure compatibility with your intercooler and intake system.\u003c\/em\u003e\u003c\/p\u003e","brand":"Banks Power","offers":[{"title":"Default Title","offer_id":47073246609649,"sku":"26005","price":698.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0641\/1344\/3057\/files\/Banks-Power-Boost-Tube-Upgrade-Kit-_-2020-2021-Chevy-GMC-2500-3500-6.6L-Duramax-_L5P_-Banks-139493886.webp?v=1761853288","url":"https:\/\/tamelessperformance.com\/products\/banks-power-boost-tube-upgrade-kit-2020-2021-chevy-gmc-2500-3500-6-6l-duramax-l5p","provider":"TAMELESS PERFORMANCE","version":"1.0","type":"link"}