American Thunder Axle-Back Exhaust System 2005-2009 Ford Mustang With V6 Engine Fits Coupe And Convertibles Moderate Sound - Flowmaster - 17421

This American Thunder axle-back exhaust system is constructed from 16-gauge mandrel-bent aluminized steel and includes a pair of specially designed 60 Series performance muffler with the sound that goes hand in hand with the performance image of the Mustang. The muffler is finished off with large 4.00-inch polished stainless steel tips to fill out the exhaust cutouts in the rear valance for a muscular appearance that matches the sound.

As an American Thunder system, it delivers a moderate interior tone and exterior sound that is suited to the enthusiast who wants their performance to be heard. Like all Flowmaster exhaust systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, the system includes all necessary parts and hardware for easy installation. Note: Fits both coupes and convertibles.


Includes Hangers and Hardware for an Easy Installation

Mandrel bent 16-gauge Aluminized Steel Tubing

Moderately Aggressive Exterior Exhaust Tone

Dyno Tuned for Maximum Performance

4.00-inch Polished Stainless Steel Tip

Uses the Factory Hanger Locations

60 Series Performance Muffler

Easy Installation