Automotive products at CORSA Performance began with C5 Corvette exhaust systems in 1998, followed quickly by systems for the C4 Corvette, Camaro/Firebird and the Viper. Dia.; Incl. 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.