2007-2019 GM 6.6L Duramax 304 Stainless Steel Cat Back Performance Exhaust System with Polished Tip

4 Inch 304 stainless steel high-flowing Cat Back system single exhaust. Turbo-charged engines need as little exhaust restriction as possible in order for the turbo to spool up faster and work more efficiently. Install our new reduced-restriction exhaust system to ensure your truck works at its best. Sounds great, looks great, and upgrades your truck with long-lasting performance.

This product retains all factory emissions components including DPF filter

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