SmartBox 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 For install information on Smartbox, CLICK HERE What’s Included in the kit: Smartbox Control unit OBD ii Access cable GPS Antenna Varex remote connecting cable
