This Flowmaster® American Thunder® cat-back exhaust system for the 2022-2023 Frontier with the 3.8-liter engine is manufactured using durable 409 stainless steel throughout and features 2.50 and 3.00-inch mandrel bent pipes for better exhaust gas flow. A Super 50 series muffler is used for an aggressive to moderate sound level and maximum performance. Gain up to 8 hp and 7 lb-ft of torque at the rear wheels over stock. This single exit system has a 4.00-inch polished stainless steel tip with the Flowmaster logo embossed in it, for added style and a custom look. 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.