TurboXS Recirculating Bypass Valve Type XS WRX (2015-2018) Subaru While others use 1" diameter

While others use 1" diameter 6061 aluminum material

50 or M12xP1

The duct is designed to work with the AVO turbocharger kit piping as well

- Direct fit hoses allow for installation with no modification to engine cover

and a rich exhaust tone

TurboXS Recirculating Bypass Valve Type XS WRX (2015-2018) Subaru While others use 1" diameterThe W15 XS RBV from TurboXS for the 2015+ WRX 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 Subaru 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 from TurboXS for the 2015+ WRX