Flowmaster American Thunder Single Exhaust System - 1998-2002 Camaro/Firebird 5.7L LS1 19300905 The patented ATI Super Damper

The patented ATI Super Damper is the only damper designed exclusively for high performance Ford engines

31 in Length

Stretch Waistband For Flexibility

Redesigned shell that optimizes shell size

100% machined surface design provides the tightest tolerances in the industry

Flowmaster American Thunder Single Exhaust System - 1998-2002 Camaro/Firebird 5.7L LS1 19300905 The patented ATI Super DamperFor 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. R. (Dual out rear) 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