Blow Off Valves

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...

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...

Strength and reliability is the primary factor, something that a diaphragm simply cannot match in a high-boost BOV environment. Diaphragms have their place (we use them in our wastegates), as they...

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...

GFB Fiat/Alfa Romeo 1.4L/2.0L Multiair Turbo Whistling Trumpet VTA BOV

The DVX range covers vehicles that can't fit or use valves like the Respons or Deceptor Pro II, and each version in the range is designed specifically for its application, ensuring the best fit and...

GFB Whistling Trumpet VTA for 15-26 Ford Mustang 2.3L / 2020+ Ford Bronco 2.0L/2.3L/2.7L/3.0L

GFB VTA Blow Off Valve 14-21 Volkswagen GTI Mk7/Mk7.5 / 14-20 Audi S3 8V

This is a direct bolt-on replacement for the factory bypass valve and was designed to the be THE BEST blow off valve on the market. Using a large 44mm piston and Viton O-rings to withstand the high...

Each valve in the VTA range is designed specifically for the applications we list them for, ensuring the best fit and performance. Most of the VTA range are designed for use on cars with solenoid...

TiAL Sport Q BOV 6 PSI Spring - Black

TiAL Sport Q BOV 12 PSI Spring - Silver