DNA Motoring CBE-HA98L4-NRT CBEHA98L4NRT Stainless Steel Catback Exhaust System TIG welded CNC machine flange for resistance against pressure and corrosion Aggressive deep and smooth tone sound while ensures smooth exhaust gas flow Dyno proven to instantly increase 15 to 25 horsepower or low end torque 4"(Od) Muffler rolled tip/ 2. 25"(Id) inlet/ 2. 25"(Id) main piping/ 14mm thick double walled Muffler tip Application: 98-02 Honda Accord 2. 3L 4-Cylinder (instruction not included, professional installer is highly recommended)