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 moreefficiently. Install our new reduced-restriction exhaust system to ensure your truck works at its best. Sounds great, looksgreat, and upgrades your truck with long-lasting performance.

This product retains all factory emissions components including DPF filter