2020-2023 Duramax L5P DieselR Downpipe Back Exhaust Single No Muffler (255-01400)
2020-2023 Duramax L5P DieselR Downpipe Back Exhaust Single No Muffler (255-01400) - 4" is backordered and will ship as soon as it is back in stock.
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2020-2023 Duramax L5P DieselR Downpipe Back Exhaust Single No Muffl...
2020-2023 Duramax L5P DieselR Downpipe Back Exhaust Single No Muffler (255-01400) - 4" is backordered and will ship as soon as it is back in stock.
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2020-2023 Duramax L5P DieselR Downpipe Back Exhaust Single No Muffler (255-01400)
Built for Strength. Engineered for Performance.
Upgrade your exhaust system with the DIESELR Downpipe Back Exhaust, designed for 2020-2023 GM 2500/3500 6.6L Duramax L5P. Built from T409 stainless steel, this system enhances airflow, durability, and horsepower, making it a must-have for serious truck owners.
Why Choose DIESELR?
✔ Heavy-Duty Construction – Mandrel-bent T409 stainless steel ensures maximum durability and a perfect fit. ✔ Leak-Free Connections – High-quality flanges and pre-welded contour-bent hangers for a secure installation. ✔ Hassle-Free Install – Includes all necessary clamps and hardware for a straightforward installation.
Performance Benefits:
✔ Increased Horsepower – Improved exhaust flow lets your Duramax breathe better and run stronger. ✔ Lower EGTs – More efficient exhaust flow helps reduce exhaust gas temperatures, keeping your engine cooler. ✔ Deep, Aggressive Sound – Get a throatier exhaust note that commands attention.
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