CORSAs 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. 3.0in. Cat-Back Dual Rear Exit with Twin 4.0in. Black PVD Pro-Series Tips Contains Axle-Back Part # 14164 and X-Pipe Part # 14331 No Xtreme sound level option because the Sport on a Z06/ZR1 is similar to an Xtreme on a C6
