Turbosmart Race Port BOV Controller Kit Race Port - Blue Product Type_BOV Springs giving you more power throughout

giving you more power throughout the rev range even in an otherwise standard car

the Focus is already pushing the boundaries of its standard plastic blow-off valve - and there's not much room to turn the boost up before the standard valve will struggle to keep up

Available in various finishes:

giving the RS the flow it needs

Turbosmart Race Port BOV Controller Kit Race Port - Blue Product Type_BOV Springs giving you more power throughoutThe Turbosmart BOV controller is an electronic device which controls the pressure signal to the BOV. It works by detecting a negative voltage change in throttle position. It then energises a solenoid to vent all of the air out of the BOV cap, causing a pressure differential between the piston of the BOV and the cap which will vent pressure from the intake system. Large diesel engines with larger turbochargers can experience compressor surge when