Flowmaster American Thunder Cat-Back Exhaust System (05-10 Mustang GT, GT500)Find parts that fit my vehicle

Signature Flowmaster Sound. Give your Mustang that unmistakable Flowmaster sound with the American Thunder Cat-Back Exhaust system from AmericanMuscle. The Flowmaster American Thunder Cat-Back Exhaust with its mandrel bent tubing will greatly improve your Mustang's exhaust flow for an increase in power. The included 60 Series Delta Flow Mufflers will improve your exhaust's sound for a deep aggressive exhaust note.

Reuses Stock Cats. Installation of the Flowmaster American Thunder Cat-Back Exhaust requires cutting the factory H-Pipe to bolt up the new Scavenger X-Pipe directly behind the factory catalytic converters, making your Mustang 100% smog-legal.

Race Car Growl. The included Scavenger X-Pipe not only helps increase power, but it also adds a loud raspy, race car growl to the sound of your exhaust with its modern "X" crossover pipe design.

Quality Construction. Constructed from durable 3" 16 gauge 409 stainless steel tubing for it's corrosion resistant properties, the Flowmaster American Thunder Cat-Back features two 60 Series Delta Flow American Thunder mufflers with massive 4.0" diameter polished stainless steel tips for great muscle car looks and sound. As an added bonus, the tips are embossed with the "Flowmaster" logo for true custom styling.

Application. This Flowmaster American Thunder Cat-Back Exhaust System is designed to fit the 2005 to 2010 GT, Bullitt and the 2007-2010 Shelby GT500 Mustangs for both great looks and great sound.

Shipping Note: This product can not be shipped to an APO/FPO, Guam, or US Virgin Islands addresses.

Technical Note: Americanmuscle recommends adding the 2005+ Mustang 304 Stainless Steel Exhaust Hanger Kit from the drop down option above, to provide more strength, stability and a cleaner installed appearance. If you have a 2007 Mustang you may need the kit for correct installation.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov