Fits: 2007.5-2010 GM LMM Pickup w/ 6.6L Duramax - All Wheelbase
The FLO 634 is a 5" Downpipe Back Exhaust system for the 2007.5-2010 Duramax 6.6L. It replaces your restrictive OE exhaust system from the downpipe back with a 5" mandrel bent exhaust system, this kit includes a high-flow muffler and is designed for street applications. This exhaust not only sounds great, but will improve your torque, mileage, and throttle response!
- 5" Downpipe Back Single Exhaust system.
- Includes Muffler
- Alumized Steel & Stainless Steel
- Single Side Exit
- Easy Install - Mounts to OE Hangers
Part Number: FLO-634