This adaptor can be used to fit any universal aftermarket BOV to your Subaru WRX/STI engine.
Adapter flange to bolt HKS BOV onto stock location on Subaru WRX/STI intercooler. All mounting hardware included to mount and vent HKS to open atmosphere. You must use a 1.25″ plug to plug the original reciruclation hose that goes back into the intake pipe. (BOV and 1.25″ plug not included.)
Turbo & Supercharger