This MBRP exhaust system is a great addition for Ford Mustang owners who want to boost their vehicle's performance. Whether you're cruising on the highway or hitting the track, this exhaust will give you a more powerful driving experience. It's designed for those who operate their cars in extreme conditions and need a durable exhaust. The tubing is made of T304 stainless steel and is 3 inches in diameter. It features a cat - back quad tip race version, which not only looks cool but also enhances the exhaust flow.