Replacement Actuator for All EVP Captain's Choice & Shocker Exhaust SystemsThe EVP Exhaust Valve Actuator is the primary replacement component for maintaining the variable sound profiles of your EVP exhaust system. This high torque motor is responsible for the precise opening and closing of the internal valve, allowing you to switch between "Quiet" and "Race" modes on the fly. If your valve system has become stuck or is no longer responding to switch inputs, this direct replacement actuator is the engineered solution to