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The aFe ATLAS 4-inch DPF-back aluminized-steel exhaust system for 2017–2019 GM Duramax 6.6L L5P trucks replaces the factory DPF-backpipe to improve flow and reduce exhaust turbulence. Constructed from 4" mandrel-bent tubing with OE-style bayonet hangers and high-quality band clamps, it finishes with dual polished 304 stainless slash-cut tips and a laser-cut aFe power badge for a refined look.
aFe ATLAS 5in DPF-Back Aluminized Steel Exhaust System w/Polished Tips 2017 GM Duramax 6.6L (td) L5P
