Mackin Xtreme Performance offers their full Stainless Steel exhaust systems for your vehicle. Each exhaust system is designed to bolt right up, making installation a breeze. MXP Catback Exhaust is a complete bolt-on system and is made from SUS304 Stainless Steel. Features 77mm piping and 90mm quad tips. For those who would like to make this system a Turbo Back, please select the downpipe option below. The Downpipe features 77mm piping and is also constructed of Stainless Steel.