Blow Off Valves

The Bov5 from Turbosmart is a 38mm positive-seal piston style valve based on our motorsport proven boost-balance technology which means the mo...

Easy to install and set up, the Turbosmart Dual Port BOV to suit Subaru features sequential ports for quiet operation on mild boost and full perfor...

Easy to install and set up, the Turbosmart Dual Port BOV to suit Subaru features sequential ports for quiet operation on mild boost and full perfor...

The Bov5 from Turbosmart is a 38mm positive-seal piston style valve based on our motorsport proven boost-balance technology which means the mo...

The Kompact Dual Port blow-off valve directly replaces the stock bypass valve on the Subaru WRX MY08-14 and the new Nissan Juke/Pulsar Turbo. Stand...

Dual outlet-type BOV. The Kompact Dual Port vents to the atmosphere and back into the air intake. Ports with sequential timing allow quieter operat...

Dual outlet-type BOV explicitly designed for the Subaru 98-00 Forester and MY99 WRX. The Kompact Dual Port vents into the atmosphere and back into ...

The Multiple Award-winning Kompact EM Series of Upgraded Diverter Valves is the world's first genuine plug-and-play upgrade solution for your facto...

The Multiple Award-winning Kompact EM Series of Upgraded Diverter Valves is the world's first genuine plug-and-play upgrade solution for your facto...

Full recirculating BOV. The Plumb Back system recirculates all excess pressure back into the intake system. Great for enthusiasts who do not want t...

Full recirculating BOV. The Plumb Back system recirculates all excess pressure back into the intake system. Great for enthusiasts who do not want t...

Full recirculating BOV. The Plumb Back system recirculates all excess pressure back into the intake system. Great for enthusiasts who do not want t...

Our latest Kompact SmartPort explicitly made for the 2015 WRX, features the innovative new Smart Port drive-by-wire friendly staging technology tha...

Quiet and completely street-legal! a full recirculating BOV, ideal for WRX enthusiasts who don’t want to be noticed. Easy to install and set up.

Quiet and completely street-legal! A full recirculating BOV, ideal for WRX & STI enthusiasts who don't want to be noticed. Easy to install and ...

Our latest Type 5 Dual Port BOV, explicitly made for the 2015 WRX, features the innovative new Smart Port drive-by-wire friendly staging technology...

The Turbosmart Blow Off Valves Adapter Kit – Subaru WRX 98 is the perfect solution for installing a Turbosmart Universal Plumb Back, Dual Port or S...

The Bov5 from Turbosmart is a 38mm positive-seal piston style valve based on our motorsport proven boost-balance technology which means the mo...

The Bov5 from Turbosmart is a 38mm positive-seal piston style valve based on our motorsport proven boost-balance technology which means the mo...

Easy to Install and Setup, Turbosmart Supersonic BOV. Preferred venting solution for serious street tuners and racers. Significant flow and an even...

Easy to Install and Setup, Turbosmart Supersonic BOV. Preferred venting solution for serious street tuners and racers. Significant flow and an even...

Redesigned from the ground up, the new Vee Port Pro suit Subaru is 20% smaller and 33% lighter than its predecessor. Features a unique, variable ex...

Redesigned from the ground up, the new Vee Port Pro suit Subaru is 20% smaller and 33% lighter than its predecessor. Features a unique, variable ex...