The W15-XS-RBV from TurboXS is the valve to get if you want an upgraded Bypass Valve but want to fully recirculate the vented boost back to your intake like the stock valve. Designed specifically for the 2015 WRX using our all new "XS" BOV platform, this valve is designed as a direct replacment for the stock bypass valve and comes complete with everything you need to replace it.
The XS platform adds incredible versatility to this Recirculating Bypass Valve. The modular design of t. . . Show More >