Flowmaster 11-12 Mustang American Thunder Axle-Back System 409S - Dual Rear Exit

These aggressive sounding systems are designed to replace original rear mounted mufflers located behind the rear axle using factory style connections. With easy fit in mind, these systems are mandrel bent for maximum performance and include specially selected mufflers. As an America Thunder system, it delivers an aggressive interior and exterior tone and is suited to the enthusiast who wants a distinctive and powerful exhaust note. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation. American Thunder Axle Back Exhaust System; Dual; Dual Rear Exit; Incl. 3.0 in. Tubing; Classic 40 Series™ Muffler; 4.0 in. Polished Stainless Tips; 409S Stainless Steel; WARNING: This product can expose you to chemicals including nickel (metallic) and chromium (hexavalent compounds) which are known to the State of California to cause cancer and birth defects, or other reproductive harm (For more information go to www.p65warnings.ca.gov) Fits 2011 to 2012 Ford Mustang GT with a 5.0L or 5.4L V8 engine. Also fits GT500.