For the person who is looking for a complete cat-back dual exhaust system with an aggressive tone. With an easy fit in mind, these systems feature a mandrel-bent 2.50-inch stainless steel inlet pipes flowing into a pair of Super 44™ Series mufflers for maximum performance and a deep powerful sound. The system utilizes the factory exhaust hangers for a quick and easy installation and the large 2.50-inch mandrel-bent tailpipes exit straight out the back with a turn down at the lower valance. The American Thunder® systems deliver a moderate to aggressive interior and exterior tone and are best 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 an easy fit, these stainless steel systems include all necessary parts, hardware and are covered by our Lifetime Limited Warranty. Note: Fits Coupes and Convertibles. Check out our optional aluminized steel system #17116.