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...

So you want a Blow Off Valve that's loud when you drive your car hard and quiet when you don't?  The Hybrid BOV from TurboXS is the valve...

The TurboXS WRX Hybrid Blow Off Valve is a best Hybrid Valve on the market for the new WRX. Featuring Vent to atmosphere and Hybrid...

Allows you to mount a TurboXS BOV-H or BOV-H-RFL to a Greddy Type S flanges intercooler pipe. Blow Off Valve not included.

Allows you to mount a TurboXS BOV-H or BOV-H-RFL to an intercooler pipe that is flanged for an HKS Super Sequential Valve. Blow Off Valve...

Allows you to install a BOV-H or BOV-H-RFL to a Skyline GTR. Blow Off Valve sold separately.

Allows you to install a BOV-H or BOV-H-RFL to a 1987-1998 Toyota Supra turbo. Blow Off Valve sold separately.

Allows you to install a BOV-H or BOV-H-RFL to a pre-1998.5 Subaru WRX. Blow Off Valve sold separately.

Allows you to install a BOV-H or BOV-H-RFL to a 1999.5-2001 Subaru WRX. Blow Off Valve sold separately.

Allows you to install a BOV-H or BOV-H-RFL to a 2002-2007 Subaru WRX or 2004-2013 Subaru WRX STi. Blow Off Valve sold separately.?

Allows you to install a BOV-H or BOV-H-RFL to a any Audi or VW 1.8T. Blow Off Valve sold separately. NOTE: Some 1.8T engines respond...

Stock Location Blow Off Valve Adapter for 1st generation Hyundai Genesis Coupe.  Blow Off Valve NOT included and sold separately:...