Valvetronic Design Electronic Exhaust Valve HarnessWelcome everybody to the Valvetronic Designs electronic control module. This system allows you to control your OEM or aftermarket exhaust valves with a touch of a button. There are two options for the kit, there is a single valve option and a dual valve option. Applicable to all exhaust systems with ELECTRONIC EXHAUST VALVES EXAMPLES: BMW G80 M3 (2 Valve motor kit needed) BMW F30 320i (1 Valve motor kit needed) If you ordered an F chassis exhaust for