Fits: 2001-2007 GMC & Chevy Trucks LBZ, LLY, LB7 w/ 6.6L Duramax
The FLO 820 by FLO-PRO is a 4" Cat-Back exhaust system for the 2001-2005 GM trucks with the 6.6L Duramax. This system replaces your restrictive OE exhaust with a 4" high-flow system with in-line muffler from the catalytic converter back. It not only sounds better but it will also improve your torque, throttle response, and mileage!
- 4" Cat-Back Single Exhaust system.
- Includes Muffler
- Aluminized Steel & Stainless Steel Options
- Single Side Exit
- Easy Install - Mounts to OE Hangers
Part Number: FLO-820