CORSA Performance Catback 14394 CORSAs Patented Reflective Sound Cancellation« (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. 3.0in. Cat-Back; Single Side Exit with Twin 4.0in. Polished Pro-Series Tips Sport Cat-Back Exhaust System; Single Side Exit; 3 in. Dia.; Incl. Muffler/Pipes/Clamps/Twin 4 in. Polished Pro-Series Tips; Corsa 11-13 Ford F-150 6.2L V8 Polished Sport Cat-Back Exhaust