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

Injen Super SES Exhaust System 60mm Cat-back Exhaust w/ Titanium Tip

Honda Civic Si Coupe 2006-2011, 60mm Cat-Back Exhaust System with 4.5-in Titanium Tip (SES1578TT) 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 HP and 4.1 ft.lbs TQ Gain.