For Honda Civic EG 2/4-Door 4.5" Muffler Tip Catback Exhaust System Application: 92-95 Honda Civic 2/4-Door 4.5"(OD) Muffler Tip (Removable Sliencer Included) / 2.25"(ID) Inlet / 2.5"(OD) Main Piping Dyno Proven to Instantly Increase 15 to 25 Horsepower or Low End Torque TIG Welded CNC Machine Flange for Resistance Against Pressure and Corrosion Aggressive Deep and Smooth Tone Sound while Ensures Smooth Exhaust Gas Flow