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Diamond Eye 4" DPF‑back dual aluminum kit fits 2016–2017 Chevy/GMC 6.6L Duramax 2500/3500 applications and provides a dual‑outlet DPF‑back exhaust replacement. The kit is sized and configured for those model years and includes components intended to replace the stock downstream exhaust, giving a matched 4" flow path in a dual‑exit arrangement where that configuration is specified.
Diamond Eye KIT 4in DPF-BACK DUAL AL 16-17 Chevy/GMC 6.6L Duramax 2500/3500
