2006-2011 Honda Civic Si Coupe Injen Super SES Axle-Back Exhaust System

Injen Super SES Exhaust System 60mm Axle-back Exhaust 

Honda Civic Si 2006-2011, 60mm Axle-Back Exhaust System with 4-in SS Tip (SES1577) by Injen®. The perfect complement to your Injen air intake system is an Injen performance exhaust system. Each exhaust system is dyno-tuned together with the air intake system to achieve maximum horsepower and torque across the power band. Up to 5.1 HP and 4 ft.lbs TQ Gain.