Blow Off Valves

The Turbosmart RacePort is famous for being an amazingly small and light BOV for turbocharged competition-level engines. Featuring our unique collar design and internal flow structures, it is 50% lighter and 25% smaller than the competition while flowing...

The Turbosmart RacePort is famous for being an amazingly small and light BOV for turbocharged competition-level engines. Featuring our unique collar design and internal flow structures, it is 50% lighter and 25% smaller than the competition while flowing...

The Turbosmart RacePort is famous for being an amazingly small and light BOV for turbocharged competition-level engines. Featuring our unique collar design and internal flow structures, it is 50% lighter and 25% smaller than the competition while flowing...

Dual Port vents both to the atmosphere & back into the air intake. Ports with sequential timing allow quieter operation during normal driving, while getting all the benefits of a vent-to-atmosphere BOV under race conditions.

Turbosmart BOV Kompact Shortie Dual Port - Renault Clio RS (Special Order 2/3 Week Turn Around Time)

Our latest Kompact SmartPort explicitly made for the 2015 WRX, features the innovative new Smart Port drive-by-wire friendly staging technology that gives you the response of a Plumb Back valve with the high-performance benefits of a vent-to-atmosphere...

Turbosmart BOV Kompact Dual Port - Hyundai i30 N-line 1.6T

Dual outlet-type BOV. The Kompact Dual Port vents to the atmosphere and back into the air intake. Ports with sequential timing allow quieter operation during everyday driving while still offering the performance and sound of a vent-to-atmosphere BOV when...

Turbosmart BOV Kompact Supersonic 2016+ Honda Civic Si/RS 1.5L Turbo L15B7

A direct-fit high-performance replacement for the factory plastic unit, the Turbosmart Kompact BOV suits the new generation Honda VTEC Turbo engines found in the Civic Type R and Civic Type R (Fk2). It can handle high boost levels and is made of billet...

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 Recirculation to help with keeping your car running properly as well as giving you a loud Psssh between shifts. Easy...

Turbo XS Type H-RFL Blow Off Valve (w/Aluminum Piston & O-Ring)