CORSA Performance C8 Track Series Exhaust. Pure Sound. No Restrictions. Made for the track, not your neighbors. CORSA Performance Track Series C8 cat back exhaust systems are designed exclusively to eliminate restrictions, maximize weight savings, and bring the noise. Each system has been Track-Tested and Dyno proven to maximize performance producing up to 18 HP and 16 LBS Ft. of TQ. All while shaving 27 pounds from the stock exhaust system.