Corsa 20-24 Chevrolet Corvette C8 RWD 3in Xtreme Cat-Back Exhaust w/4.5in Carbon Fiber Polished TipsCorsa 20 24 Chevrolet Corvette C8 RWD 3in Xtreme Cat Back Exhaust w 4. 5in Carbon Fiber Polished Tips CORSA Performance AFM Only C8 Exhaust with 4. 5 in. Carbon Fiber Flat Cut Polished Tips. The refined Track Series Exhaust. Like the CORSA performance C8 Track Series exhaust, this system is made for drivers seeking an ultra aggressive exhaust note without resonance caused by 4 cylinder economy mode operation . CORSA's AFM Only C8 cat back exhaust