DIESELR Downpipe Back Exhaust - Single (2017-2019 GM 2500/3500 6.6L Duramax L5P)The DIESELR Downpipe Back Exhaust L5P Duramax system is designed for serious diesel owners who demand performance, durability, and fitment precision. Built for 20172019 GM 2500 3500 HD trucks with the 6. 6L L5P engine, this system replaces everything from the downpipe backmaximizing flow and eliminating restrictions without compromise. Crafted from heavy duty T409 stainless steel and mandrel bent for smooth airflow, this system is built to withstand
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DIESELR Downpipe Back Exhaust - Single (2017-2019 GM 2500/3500 6.6L Duramax L5P)