HONDA CIVIC 3DR STAINLESS STEEL PERFORMANCE CATBACK EXHAUST SYSTEM 4" TIP Fitment: 1992-1995 Honda Civic Hatch Catback Exhaust System T-304 Stainless Steel Made with Polish Finish. ~4.0" Muffler Tip. Includes removable silencer, bolts, & gasket Designed for high performance as well as meeting sound level standards. With its deep throaty tone, it echoes its racing lineage. Optimize torque in the low to mid speed range ~2.5" (~65mm) N1 Design to Gain More Horse Power, Faster Response, Averaging 10-15 Extra HP PROFESSIONAL INSTALLATION IS HIGHLY RECOMMENDED. NO INSTALLATION GUIDE IS AVAILABLE.