Smart Bluetooth Exhaust Controller for VAREX Muffler

Varex Smartbox Ecu Upgrade

• Smart Box provides the following functions:

  Manual Mode:

  • Precise manual adjustment of VAREX exhaust valve positions;

  • Custom pre-set of VAREX exhaust valve position

  MATRIX MODE (ONLY WORKS WITH VEHICLES EQUIPPED WITH OBD-II):

  • Automatic control of VAREX exhaust valve positions based on real-time information of RPM, throttle and speed.

  GEO MODE:

  • Automatic control of VAREX exhaust valve positions based on the real-time location of the vehicle.The acclaimed VAREX Exhaust System was invented by XForce Performance Exhaust - it has been the most popular choice amongst enthusiasts who are seeking flexible control of their sound level. The VAREX exhaust system allows users to adjust the exhaust sound from stock-car-quiet to sports-car-growl with a click of a key fob button. We love our VAREX exhaust and prefer to keep it in ‘open mode’. However, there are always moments when the high volume exhaust is less desirable.