DIESELR EGR Upgrade Kit (2020-2026 Duramax 6.6L L5P)The Dieselr EGR Upgrade Kit (20202026 Duramax 6. 6L L5P) is engineered for reliability, clean routing, and long term strength. Built from high grade stainless and reinforced hardware, this system refines exhaust gas circulation for consistent performance in demanding off road conditions. Each kit includes CNC machined block off plates, gaskets, and high temperature fasteners designed to handle the pressure and heat of the L5P platform. The upgraded
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