The WRX08-RFL or "Really F#$%!@ Loud" valve is designed specifically for those who want the loudest vent to atmosphere blow off valve...

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...

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...