Fits: 2001-2005 GM LLY & LB7 w/ 6.6L Duramax
Flo-Pro Exhausts are designed to fit all wheelbase & cab configurations unless otherwise specified.
The FLO 823 by FLO-Pro is a 4" Cat-Back exhaust system for the 2001-2005 GM Trucks with the 6.6L Duramax. Replace your restrictive OE components with a 4" aluminized system with a high-flow muffler. Just like all of Flo-Pro's Exhaust kits, it will come with all the required clamps, pre-weld contour bent hangers, and stronger flanges to help you sail through the installation process. It not only sounds great but will improve your mileage, throttle response, and torque. It's designed to utilize all your existing OE hangers and fit like a stock on GM trucks with the 4-bolt flange.
- 4" Cat-Back Single Exhaust system.
- Includes Muffler
- Utilizes OEM Cat For Emissions.
- Aluminized Steel & Stainless Steel Options
- Single Side Exit
- Direct Bolt-in Application (4-Bolt Flange)
Part Number: FLO-823
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