VKSBBCM01 is a kit that compiles all the features from Smartbox VKSB01 with the new OEM Drive Mode BMC01 extension that lets you control the valve position from the dashboard. Features Precise manual adjustment of VAREX exhaust valve positions Custom pre-set of VAREX exhaust valve position Tune the VAREX exhaust as fine as 1% increments Automatic control of VAREX exhaust valve positions based on real-time information of RPM, throttle, and speed Automatic control of VAREX exhaust valve positions based on the real-time GPS location of the vehicle Control your VAREX equipped exhaust system from your OEM controls with the new factory drive mode feature. Compatible with Audi / Skoda / Seat / Volkswagen (VAG), Hyundai, Kia vehicles with 3pin connector with Pulse Width Modulated (PWM) signal. For all the compatible applications please see the Drive Mode Adapter Installation Instructions in the Tech Info section