A direct fit high-performance replacement for the factory plastic unit, the TurbosmartKompact BOV suits the new generation Honda VTEC Turbo engines found in the Civic RS & Civic Si (1.5L). It is capable of handling high levels of boost and is made of billet aerospace-grade aluminium with high-temperature seals. 

If you are looking for a BOV for your Civic Type R and Civic Type R (Fk2), please purchase TS-0203-1017.
https://www.turbosmart.com/product/kompact-supersonic-honda-civic-ctr-rs/

Benefits include: 

• Direct fit upgrade for the factory BOV on Honda Civic RS and Civic Si models with the 1.5L turbo engine. 
• Pure vent to atmosphere All billet CNC construction and attractive anodized finish 
• Manufactured, assembled and validated in-house at TurbosmartHQ