Akrapovic Valve Actuator Kit | Chevrolet Corvette Stingray (C7) (14-17) (P-HF868)The Control Kit gives the driver the option to control the Akrapovic rear exhaust valves through the Corvette C7 drive mode selector. Once a simple installation process is completed, the electronic platform will automatically drive the exhaust's rear valves based on the engine speed, gear, and selected drive mode. The high performance exhaust by Akrapovic gives you absolute freedom to customize your vehicle to make it perform and sound at its best.