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 billet 1.25" plug to plug the original reciruclation hose that goes back into the intake pipe. (BOV not included.)
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Perrin Performance
Blouch Performance Turbo
Blouch Performance Turbo
