The Milltek Plug & Play Active Valve Controller without Bluetooth allows you to control the exhaust notes of vehicles equipped with active exhaust valves or compatible valved sport exhaust systems. This Active Valve System (AVS) uses advanced electronics and connectivity to enable easy modulation of exhaust tones, giving you total control over your vehicle's sound.Discover the key features of this active valve controller:State-of-the-Art Electronics: This feature uses cutting-edge technology to ensure precise and effortless valve control, allowing you to easily modulate the exhaust tone to your preference, enhancing the overall driving experience.Manual, Remote and Bluetooth Compatibility: Depending on your vehicle and the AVS system some systems will include remote controls or Bluetooth connectivity, which allows you to activate the valves using either a physical remote or a mobile app on Android and iOS, providing a convenient way to adjust the exhaust sound at your fingertips. For b