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The aFe Large Bore-HD 3" 409 stainless DPF-back exhaust fits 2020–2022 GM trucks with the L6 3.0L (LM2) engine as a direct bolt-on. Made from mandrel-bent 409 stainless tubing with 100% MIG welds, it includes a heavy-duty flex pipe with internal interlock liner and factory-style hangers. The system ships with a 4.5" polished 304 stainless clamp-on tip and all necessary installation hardware.
aFe Large Bore-HD 3in 409SS DPF-Back 20-21 GM Trucks L6-3.0L (td) LM2 - Polished Tip
