Description
2017-2023 Duramax L5P DieselR 3.5″ Downpipe (255-01301)
The DIESELR 3.5″ Downpipe, engineered for the 2017-2023 Duramax L5P, is built to reduce backpressure, improve turbo spool, and lower exhaust gas temperatures (EGTs). Designed for serious truck owners who need better airflow, stronger pulling power, and improved efficiency, this upgrade is the direct-fit solution for increased durability and performance.
Manufactured from high-quality materials, the 3.5-inch diameter design increases exhaust flow, allowing your engine to run cooler and perform better under heavy loads. Whether you’re towing, working, or putting your truck through high-performance conditions, this downpipe delivers the durability and results your L5P needs.
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