Use this MagnaFlow exhaust system when you want to enhance your driving experience, whether it's cruising on the highway or showing off at car meets. It's perfect for Ford Mustang enthusiasts who want to add some power and a great sound to their 1994 - 1998 GT, GTS, or SVT Cobra models. The main piping is 2.5 inches in diameter, and it has 3.5 - inch polished clamp - on single - wall angle - cut tips. It's easy to install, so you don't need to be a professional mechanic to give your Mustang a performance boost.