2017-2026 Duramax 4" SLM Series Downpipe Back Exhaust System w/ Muffler
2017-2026 Duramax 4" SLM Series Downpipe Back Exhaust System w/ Muffler
Stay at the top on race day in your 2017-2023 GMC/Chevy 6.6L L5P Duramax with the P1 Performance Products C6056SLM 4" SLM Series Race Exhaust System. P1 Performance Products SLM Series Race Exhaust System is built from T409 Stainless Steel and comes complete with OE-style hangers and clamps for easy installation.
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