MITSUBISHI 3000GT VR-4 GTO DUAL 2.25" CATBACK EXHUAST SYSTEM W/ TWIN TIPS Fitment: 91-99 Mitsubishi 3000GT High Flow Dual Catback Exhaust System SUS-304 Stainless Steel Made with Polish Finish. Uses 2." and 2.25"piping with twin 3" outlet dual mufflers Designed for More Air Flow with Fast Response to Gain the HP. Makes a very deep sound. N1 Design to Gain More Horse Power, Faster Response, Averaging 15-20 Extra HP PROFESSIONAL INSTALLATION IS HIGHLY RECOMMENDED. NO INSTALLATION GUIDE IS AVAILABLE.