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Diamond Eye 4‑inch DPF‑back dual stainless steel exhaust kit for 2016–2017 Chevrolet and GMC 6.6L Duramax 2500/3500 trucks replaces the factory DPF‑back section with a 4in diameter dual stainless construction. It’s intended to match the exhaust path for Duramax applications and offers a purpose‑built replacement section for owners updating or repairing the rear exhaust plumbing on these trucks.
Diamond Eye KIT 4in DPF-BACK DUAL SS 16-17 Chevy/GMC 6.6L Duramax 2500/3500
