The Torque Solution HKS blow-off valve adapter fits Subaru WRX models from 2008–2012 only and adapts HKS valves to the factory boost piping. It provides a straightforward mounting solution for compatible BOV hardware without major modification. Use it to install an HKS valve with correct flange alignment on supported WRX vehicles.
Torque Solution HKS Blow Off Valve Adapter: Subaru WRX 2008-2012 ONLY