Fits: 2001-2007 GMC & Chevy Trucks LBZ, LLY, LB7 w/ 6.6L Duramax
The FLO-801NM is a 4" downpipe back race exhaust system for the 2001-2007 Duramax Trucks. It repalces the restrictive OE exhaust system with a 4" high-flow straight pipe exhaust system - this kit doesn't include a muffler and is intended for track applications. It not only sounds great but will also improve mileage, torque, and throttle response.
- 4" Downpipe Back Exhaust system.
- No Muffler
- Aluminized Steel & Stainless Steel Options
- Single Side Exit
- Easy Install - Mounts to OE Hangers
Part Number: FLO-801NM