Fits: 2001-2005 GMC & Chevy Trucks LLY, LB7 w/ 6.6L Duramax

The FLO 723 is a dual exhaust system for the 2001-2005 GM trucks with the 6.6L Duramax. This system replaces your restrictive OE exhaust with a dual 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!

Features:

• 4" Cat-Back Dual Exhaust system. 
• Alumized Steel
• Dual Side Exit
• Easy Install - Mounts to OE Hangers

Note: Dual tail pipes may not fit or require modifications on trucks with air bags or suspension lifts

Part Number: FLO-723