Blow Off Valves

A full atmospheric BOV for racers and serious enthusiasts who want to be noticed. Supersonic provides a superior flow performance with the famous Supersonic sound. Featuring a tool-free adjustment via a rotating cap and a positive-seal piston, this is Turbosmart loudest BOV.

Ideal for cars with sensitive Air-flow systems and off-road applications as the fully-sealed design of the Plumb Back prevents any foreign matter from entering the system.

The legend continues! Turbosmart's VeePort Pro is an evolution of the original VeePort, now 20% smaller and 33% lighter. Based on Turbosmart's BOV5 architecture, the VeePort Pro offers huge performance with a small footprint. Built on our Motorsport Proven Boost-Balance system using a 38mm...

The legend continues! Turbosmart's VeePort Pro is an evolution of the original VeePort, now 20% smaller and 33% lighter. Based on Turbosmart's BOV5 architecture, the VeePort Pro offers huge performance with a small footprint. Built on our Motorsport Proven Boost-Balance system using a 38mm...

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 huge CFM - making it the...

Big Bubba From Turbosmart exists because sometimes Bigger is Better! Big Bubba is a piston style valve for large capacity supercharged and turbocharged engines including diesels! If you're looking for an inconspicuous valve for a small capacity, low boost daily driver, you will need...

Big Bubba From Turbosmart exists because sometimes Bigger is Better! Big Bubba is a piston style valve for large capacity supercharged and turbocharged engines including diesels! If you're looking for an inconspicuous valve for a small capacity, low boost daily driver, you will need...

Turbosmart Nissan RB26DETT RacePort Gen-V Blow Off Valve - Black

The RacePort Series Blow Off Valve is famous for being an amazingly small and light BOV for supercharged competition-level engines. Featuring our unique collar design and internal flow structures, it is 50% lighter and 25% smaller than the competition while flowing 330 CFM -...

Turbosmart BOV RacePort Female GenV Sleeper (No Weld Flange)

The RacePort Series Blow Off Valve is famous for being an amazingly small and light BOV for supercharged competition-level engines. Featuring our unique collar design and internal flow structures, it is 50% lighter and 25% smaller than the competition while flowing 330 CFM -...

The RacePort Series Blow Off Valve is famous for being an amazingly small and light BOV for supercharged competition-level engines. Featuring our unique collar design and internal flow structures, it is 50% lighter and 25% smaller than the competition while flowing 330 CFM -...

The RacePort Series Blow Off Valve is famous for being an amazingly small and light BOV for supercharged competition-level engines. Featuring our unique collar design and internal flow structures, it is 50% lighter and 25% smaller than the competition while flowing 330 CFM -...

The RacePort Series Blow Off Valve is famous for being an amazingly small and light BOV for supercharged competition-level engines. Featuring our unique collar design and internal flow structures, it is 50% lighter and 25% smaller than the competition while flowing 330 CFM -...

Turbosmart BOV RacePort - Sleeper

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 330 CFM - making it the...

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 330 CFM - making it the...

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 330 CFM - making it the...

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 330 CFM - making it the...

Full recirculating BOV. The Plumb Back system recirculates all excess pressure back into the intake system. Great for enthusiasts who do not want to be noticed but want the performance and reliability benefits of a quality BOV.