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The aFe Large Bore‑HD 4" DPF‑back exhaust for 2017–2019 GM Duramax L5P converts single to aggressive dual exhaust using mandrel‑bent 409 stainless tubing and OE-style bayonet hangers. It installs with factory mounting points, includes a bolt‑on bracket for the driver tailpipe, high‑quality band clamps, and dual 6" polished black powder‑coated stainless steel tips with a laser‑cut aFe badge for a finished look.
aFe Large Bore-HD 4in 409-SS DPF-Back Exhaust w/Dual Polished Tips 2017 GM Duramax V8-6.6L (td) L5P
