Kompact Supersonic Blow Off Valve Suit Honda Civic Type RKompact Supersonic Blow Off Valve Suit Honda Civic Type R A direct fit high performance replacement for the factory plastic unit, the Turbosmart Kompact BOV suits the new generation Honda VTEC Turbo engines found in the Civic Type R and Civic Type R (Fk2). It can handle high boost levels and is made of billet aerospace grade aluminium with high temperature seals. Direct fit upgrade for the factory BOV on Honda Civic Type R. Pure vent to atmosphere All