Blow Off Valves

TiALSport Q BOV 11 PSI Spring - Silver

TiALSport Q BOV 10 PSI Spring - Red

TiALSport Q BOV 10 PSI Spring - Purple

TiALSport Q BOV 10 PSI Spring - Black

TiALSport Q BOV 10 PSI Spring - Blue

TiALSport QR BOV 2 PSI Spring - Red (1.0in)

TiALSport Q BOV 10 PSI Spring - Silver

HKS Super SQV4 Sequential Blow Off Valve Kit  In 1994, HKS introduced the first Sequential Blow-Off Valve featuring a unique, pull-type, sequential valve structure and a differential pressure control system. This advanced pull-type relief system...

Q is the first revision of the original TiAL BOV. The Q bolts up to any standard TiAL flange, no re-welding.  This is the highest flowing BOV on the market.  It's offered with a variety of springs for different vacuum levels and a special...

This is a replacement blow off valve pipe for a 04-07 Subaru STI, it will allow you to swap out for a different BOV from another manufacturer. - Includes AIT Bung + Plug - Does NOT include BOV (Sold Separately)  - Requires ETS Piping kit

This is a replacement blow off valve pipe for a 08-14 Subaru WRX using the OEM Plastic Intake Manifold. It will allow you to swap out for a different BOV from another manufacturer on to your existing ETS FMIC Piping Kit. - Includes AIT Bung + Plug -...

This is a replacement blow off valve pipe for a 08-14 Subaru STI, it will allow you to swap out for a different BOV from another manufacturer, now available in Titanium! - Includes AIT Bung + Plug - Does NOT include BOV (Sold...

This is a replacement blow off valve pipe for a 08-14 Subaru STI, it will allow you to swap out for a different BOV from another manufacturer. - Includes AIT Bung + Plug - Does NOT include BOV - Requires ETS Piping kit

This is a replacement blow off valve pipe for a 15+ Subaru STI, it will allow you to swap out for a different BOV from another manufacturer. - Includes AIT Bung + Plug - Does NOT include BOV (Sold Separately)  - Requires ETS Piping kit

This is a replacement blow off valve pipe for a 15+ Subaru STI, it will allow you to swap out for a different BOV from another manufacturer. - Includes AIT Bung + Plug - Does NOT include BOV (Sold Separately)  - Requires ETS Piping kit