Corsa 1999-2006 GMC Sierra 4.8L V8 3in Cat-Back Single Side w Twin 4in Black Pro-Series Tips

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.