This MBRP exhaust kit is perfect for Ford Mustang GT owners from 2015 - 2017 who want to enhance their vehicle's performance and sound. Whether you're cruising on the highway or hitting the track, this exhaust system will give you a more powerful driving experience. It comes with 2-1/2in axle back tubing and 4in OD tips made of T304 stainless steel, which is super durable and easy to keep clean.