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. If you are looking for a BOV for your 1.5L Civic SI or RS, please purchase TS-0203-1018.https:www.turbosmart.com/product/honda-civic-ctr-rs-kompact-dual-port. Benefits include: Direct fit upgrade for the factory BOV on Honda Civic Type R. Pure vent to atmosphere All billet CNC construction and attractive anodized finish Manufactured, assembled and validated in-house at Turbosmart HQ.