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The Multiple Award-winning Kompact EM Series of Upgraded Diverter Valves are the world’s first truly plug and play Upgrade solution for your factor...

The Multiple Award-winning Kompact EM Series of Upgraded Diverter Valves are the world's first genuinely plug-and-play Upgrade solution for your fa...

The Multiple Award-winning Kompact EM Series of Upgraded Diverter Valves are the world’s first genuine plug-and-play Upgrade solution for your fact...

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

The Multiple Award-winning Kompact EM Series of Upgraded Diverter Valves are the world's first genuinely plug-and-play Upgrade solution for yo...

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

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

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

The Multiple Award-winning Kompact EM Series of Upgraded Diverter Valves are the world’s first truly plug and play Upgrade solution for your factor...

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

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

The Multiple Award-winning Kompact EM Series of Upgraded Blow-Off Valves are the world's first plug-and-play Upgrade solution for your factory dive...

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 Blow-Off Valves are the world's first genuine plug-and-play Upgrade solution for your fac...

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...

The award-winning Kompact EM series Blow Off Valves are the world’s first plug-and-play Blow-Off Valves. Unplug and unbolt your OEM Blow-Off Valve,...

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...

The Multiple Award-winning Kompact EM Series of Upgraded Blow-Off Valves are the world's first genuinely plug-and-play Upgrade solution for your fa...

The Multiple Award-winning Kompact EM Series of Upgraded Blow Off Valves are the world’s first truly plug and play Upgrade solution for your factor...

The Multiple Award-winning Kompact EM Series of Upgraded Diverter Valves are the world's first truly plug-and-play Upgrade solution for your factor...

As turbocharged performance cars go, the Nissan GT-R is a legendary giant killer. The R35's twin-turbo VR38 V6 offers exotic-beating performance le...

A direct fit replacement for the factory unit, the Turbosmart Smart Port BOV suits Mitsubishi EVO IV up to X. It can handle anything from stock to ...

A direct fit replacement for the factory unit, the Turbosmart SmartPort BOV suits Mitsubishi EVO IV up to X. It can handle anything from stock to h...

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...

ProPort by Turbosmart is an All New 54mm (2.13in) Blow Off Valve with a tiny footprint and massive flow. The ProPort flows 420 cfm which is enough ...

ProPort by Turbosmart is an all-new 54mm (2.13in) Blow-off Valve with a tiny footprint and massive flow. Features include our unique locking collar...

ProPort by Turbosmart is an all-new 54mm (2.13in) Blow-off Valve with a tiny footprint and massive flow. The ProPort flows 420 cfm, enough for 3500...

ProPort by Turbosmart is an all-new 54mm (2.13in) Blow-off Valve with a tiny footprint and massive flow. The ProPort flows 420 cfm, which is enough...

ProPort by Turbosmart is an all-new 54mm (2.13in) Blow-off Valve with a tiny footprint and massive flow. The ProPort flows 420 cfm, enough for 3500...

ProPort by Turbosmart is an all-new 54mm (2.13in) Blow-off Valve with a tiny footprint and massive flow. The ProPort flows 420 cfm, enough for 3500...

The PowerPort is Turbosmart's most significant and highest-flowing blow-off valve, resetting the flow benchmark set by our popular and highly regar...

The PowerPort is Turbosmart's most significant and highest-flowing blow-off valve, resetting the flow benchmark set by our popular and highly regar...

The PowerPort is Turbosmart's most significant and highest-flowing blow-off valve, resetting the flow benchmark set by our popular and highly regar...

The PowerPort is Turbosmart's most significant and highest-flowing blow-off valve, resetting the flow benchmark set by our popular and highly regar...

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...

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...

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...

A full atmospheric BOV for racers and serious enthusiasts who want to be noticed. Supersonic provides a superior flow performance with the famous S...

A full atmospheric BOV for racers and serious enthusiasts who want to be noticed. Supersonic provides a superior flow performance with the famous S...

Fully recirculating valve. A quiet alternative to the atmospheric BOV, the PlumbBack system vents all excess pressure back into the intake system. 

Fully recirculating valve. A quiet alternative to the atmospheric BOV, the PlumbBack system vents all excess pressure back into the intake system. 

Fully recirculating valve. A quiet alternative to the atmospheric BOV, the PlumbBack system vents all excess pressure back into the intake system. 

Fully recirculating valve. A quiet alternative to the atmospheric BOV, the PlumbBack system vents all excess pressure into the intake system.

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 ...