Flowmaster American Thunder Single Exhaust System - 2001-04 Chevy/GMC 1500/2500 HD 6.0L/8.1L Helmet Grommet Kit High optical quality flip-up visor

High optical quality flip-up visor with safety lock in open mode is available as an optional extra (YA0230)

Includes copper washers which are far superior to the standard plastic washerCanton Racing Products has been a leader in high performance oil pans

An inexpensive insurance policy to protect you investment

Clips / Springs

(Single out rear) systems are the perfect choice

Flowmaster American Thunder Single Exhaust System - 2001-04 Chevy/GMC 1500/2500 HD 6.0L/8.1L Helmet Grommet Kit High optical quality flip-up visorFor the person who wants a subtle custom appearance with all the benefits that a Flowmaster Cat back exhaust system provides. S. O. S. (Single out side) systems are the perfect choice. American Thunder systems deliver a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for