Flowmaster American Thunder Single Exhaust System - 2001-06 Chevy Suburban/Avalanche/GMC Yukon XL 1500 5.3L w/o Auto-Leveling 53811111 The system works with the

The system works with the existing design of the helmet and does not require any drilling of the shell or modifications to the EPS and can be fitted to all Stilo ST5 model helmets

Add weight where it’s needed

Heavy duty steel hubs

47000 lb Breaking Strength

375 in Length

Flowmaster American Thunder Single Exhaust System - 2001-06 Chevy Suburban/Avalanche/GMC Yukon XL 1500 5.3L w/o Auto-Leveling 53811111 The system works with theFor 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