Corvette C8 Z06 Sport Cats2023+ Chevrolet Corvette C8 Z06 Sport Cats FEATURES: The 2023 Chevrolet Corvette C8 Z06 5. 5l Twin Overhead Cam V8 will go down as one of the greatest engines of all time. Unfortunately GM had to meet noise restrictions and emissions laws. Thats where Fabspeed comes in. Using only the finest catalytic converters in the world, we were able to get that last 10% out of the Z06. All while still meeting emissions regulations with no check engine light