cat back exhaust kit, Mustang GT exhaust, mustang exhaust kit Cat-back OTL 11-12 Mustang GT Cat-back System 409S - Dual Rear Exit - Outlaw - Aggressive Sound Cat-back System 409S - Dual Rear Exit - Outlaw - Aggressive Sound - 2011 to 2012 Ford Mustang Does Not Fit GT500. Exhaust System Kit Fits 2011 to 2012 Ford Mustang, GT with a 5.0L V8 Flowmaster proudly introduces our newest Cat-back exhaust system for the 2011-2012 Mustang GT. Part number 817560 is a 409S stainless steel Outlaw system for the 5.0L cars. Featuring our patented Scavenger X pipe for increased mid-range torque and mandrel-bent pipes throughout, the system is a full 3.00G?? diameter. Designed for the hard core enthusiast, the Outlaw Series mufflers deliver a very aggressive exterior tone, along with an aggressive interior sound as well. Polished 4.00G?? stainless tips provide the performance look to match the sound. While not for everyone, the Outlaw system is perfect for those looking for the most aggressive sound around, and the system is easily installable at home using the supplied hardware and detailed instructions. The US made stainless steel 817560 system is covered by Flowmaster's Lifetime Limited Warranty for long term assurance of quality. Please call 1-800-544-4761 or visit www.flowmastermufflers.com for more information. Outlaw Kit
