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, Civic RS, Civic Si (1.5L), and also Civic Type R (Fk2). It is capable of handling high levels of boost and is made of billet aerospace grade aluminium with high temperature seals that allows for minimal leakage and a complete seal across the bypass aperture providing as much performance as possible.