DIESELR Cat & DPF Race Pipe (2020-2025 GM 1500 3.0L Duramax)The DIESELR Cat & DPF Race Pipe for Duramax 3. 0L trucks is built for serious diesel owners who want better airflow, cooler engine temps, and a stronger powerband. Specifically designed for 20202025 GM 1500 3. 0L Duramax pickups, this system removes restrictive factory emissions components and replaces them with a durable, high flow T409 stainless steel pipe. This race pipe retains your stock muffler, preserving a clean OEM appearance and a milder
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