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The aFe Large Bore-HD 3" 409 stainless steel DPF-back exhaust system with polished 4.5" 304 clamp-on tip fits 2023–2025 GM trucks with the L6 3.0L (LZ0) diesel. Constructed from mandrel-bent 3" tubing, mounting uses factory-style hangers for direct fitment and the system is 100% MIG-welded for strength. It produces a mild exhaust tone while aiming to free flow compared with restrictive OE DPF-back plumbing.
aFe 23-24 GM Trucks L6 Large Bore-HD 3 IN 409 Stainless Steel DPF-Back Exhaust System w/Polished Tip
