The APR Exhaust Valve Remote allows you to override the factory exhaust valve operation to fully open the exhaust valves with the push of a button. Just plug and play and press "ON" to fully open the valves. To return to the original behavior, press "OFF" and the valves will operate as if the device was not installed. This system works with both the factory exhaust and the APR Valved Catback exhaust system. Features: Opens factory exhaust valves Wireless remote control Simple, clean installation Weatherproof housing 2 remotes included Plug in and use