Diamond Eye 4" DPF‑back single aluminum kit is engineered for 2016–2017 Chevy/GMC 6.6L Duramax 2500/3500 applications. The DPF‑back configuration replaces the factory downstream system and is supplied as a model‑matched kit sized for the stated trucks, offering a direct replacement exhaust path with 4" diameter tubing intended for use where DPF‑back solutions are required.
Diamond Eye KIT 4in DPF-BACK Single AL 16-17 Chevy/GMC 6.6L Duramax 2500/3500