Increases Horsepower and Torque. This Flowmaster Hushpower Axle-Back exhaust system not only improves the sound of your Mustang, but with it's free flowing design it also improves throttle response and increases horsepower & torque.
Quality Construction. Constructed from durable 3" 409 stainless steel tubing for its corrosion resistance, this Flowmaster axle-back features two Hushpower Pro series mufflers with 4" diameter polished stainless steel tips that are embossed with the "Flowmaster" logo for true custom styling.
Application. This Flowmaster Hushpower Axle-Back exhaust system is designed to fit the 2011-2012+ 5.0L Mustang GT and 2011-2012 5.4L Shelby Mustang GT500 for both great looks and great sound.
Mustang Fitment: 2011, 2012, 2013 Details >>