Improve the exhaust flow on your 2005-10 Mustang GT with this stainless steel Flowmaster American Thunder cat back. Flowmaster American Thunder cat backs deliver an aggressive exterior sound level and a moderate interior tone that is suited to the enthusiast who wants to be heard. This cat back provides better acceleration and increased horsepower by reducing back pressure through the mandrel bent tubing.

Flowmaster American Thunder cat backs are designed using mandrel-bent 16-gauge stainless steel tubing. This mandrel bent tubing allows for superior exhaust gas flow for great sound and performance. The 409 Stainless steel tubing helps prevent against rust and corrosion for long term worry free use. Installation hardware gaskets and instructions are included for an easy installation.