This Flowmaster® American Thunder® cat-back exhaust system is manufactured using durable 409 stainless steel throughout and features 2.50 and 3.00-inch mandrel bent pipes for better exhaust gas flow. An Outlaw series muffler is used for an aggressive to moderate sound level and maximum performance. Gain up to 9 hp and 12 lb-ft of torque at the rear wheels over stock. This dual exit system has dual 3.50-inch polished stainless steel tips with the Flowmaster logo embossed in them, for added style and a custom look, and can be configured to exit dual out the rear or dual out the side. This system uses all the existing factory hanger locations and includes installation instructions and all necessary hardware for an easy installation that you can do at home. Backed by Flowmaster's Lifetime Limited Warranty.