Dieselr Aluminized 3" Cat & DPF Race Pipes | 3.0L GM Duramax LM2 1500 (2020-2024)The Dieselr Aluminized 3" Cat & DPF Race Pipes for 3. 0L GM Duramax LM2 1500 (20202024) are built for high efficiency diesel systems where flow, fitment, and longevity matter most. Made from 3 inch heavy gauge aluminized steel, these pipes deliver a clean, unrestricted exhaust pathreducing backpressure and maintaining stable temperatures under load. Each Dieselr system is mandrel bent for consistent flow and TIG welded for lasting strength. The
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