Flowmaster American Thunder Single Exhaust System - 2001-06 Chevy Suburban/Avalanche/GMC Yukon XL 1500 5.3L w/o Auto-Leveling 53811111 6 AN Inlets / Outlet

6 AN Inlets / Outlet

No Electrical System Required For Gauge Operation

Will hold fuel system pressure for at least 20 minutes after pump shutdown

Single Center Exit

AFCOs new model offers the great performance that you would expect from an AFCO product

Flowmaster American Thunder Single Exhaust System - 2001-06 Chevy Suburban/Avalanche/GMC Yukon XL 1500 5.3L w/o Auto-Leveling 53811111 6 AN Inlets / OutletFor the person who wants the look of a traditional dual exhaust system with all the benefits that a Flowmaster Cat back exhaust system provides. D. O. S. (Dual out side) systems are the perfect choice. American Thunder systems deliver a moderate to aggressive interior and exterior tone along with improved throttle response, power and mileage. Includes all necessary parts and hardware for easy installation. Features: Mandrel Bent 16 Gauge Aluminized