2007-2019 GM 6.6L Duramax 304 Stainless Steel Cat Back Performance Exhaust System with Polished Tip custom tuning They fit most popular LS

They fit most popular LS series engines and come in Black Textured

This kit also features control arm drop brackets

Designed to fit Model Years 2008-2010

Upgrade your injector return fitting and eliminate the risk of a broken fuel line with our heavy duty billet aluminum injector return fitting

Outflows stock and competitors up to 48 percent

2007-2019 GM 6.6L Duramax 304 Stainless Steel Cat Back Performance Exhaust System with Polished Tip custom tuning They fit most popular LS4 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