Corsa 2011-2014 Subaru Impreza Sedan STI 2.5L Turbo Manual Black Sport Cat-Back Exhaust - 14863BLK

CORSA's Patented Reflective Sound Cancellation(R) (RSC) Technology allows acoustic engineers to create a drone free exhaust sound, styled specifically to fit the personality of your vehicle. Each system is designed to increase vehicle performance, deliver an AGGRESSIVE SOUND under acceleration and a DRONE-FREE EXPERIENCE during cruise. Performance gains are not affected by sound choice.
Technical Bulletin
Installation Instructions