Flowmaster’s new Outlaw Cat-back exhaust system for the 05-10 Ford Mustang GT is perfect for the person looking for a very deep and aggressive sound level outside and inside the car with all of the performance benefits that you would expect from Flowmaster. This exhaust is not for the faint of heart! This bolt-on DOR (Dual Out Rear) emissions-legal system for cars with the 4.6L or 5.4L V8 engines features a pair of race proven Outlaw Series mufflers and dual mandrel bent 2.50 inch tailpipes for maximum performance. The system is built out of 409S stainless steel and utilizes 4.00 inch Polished Stainless Steel Flowmaster Embossed tips. This exhaust system also fits convertible and GT500 models. The exhaust system is covered by Flowmaster’s Lifetime Limited Warranty. Designed for an easy fit, this system includes all necessary parts and hardware for installation.