Turbosmart’s blow-off valve controller kit uses a throttle position sensor and solenoid to allow a blow-off valve to be fitted to turbo diesel vehicles.

The Type 5 Supersonic BOV controller kit is ideal for reducing compressor surge in tuned turbo diesel engines.

This product does not have a CARB EO #; it is not legal for sale or use in CA on pollution controlled motor vehicles. This is intended as a "Race Only" product to be used solely for competition. It's use is limited to closed-course and open-course racing that is formally sanctioned by a recognized racing organization; any other use including recreational off-road use, may be a violation of local, state and federal laws. It is the buyer's responsibility to verify legal use of this product for the intended application and use.