Go Fast Bits

GFB Mach 2 Atmosphere Conversion Kit-Changes T9107 or T9125 from Recir to Atmosphere

Most modern engines have eliminated vacuum ports from the intake manifold, making it difficult to install boost gauges, boost controllers, aftermar...

GFB Universal Weld On Hybrid TMS Dual Outlet Valve

GFB Universal Weld On Mach 2 TMS Recirculating Diverter Valve

GFB Universal Atmospheric Trumpet w/Filter Mount

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

The factory diverter valve on Polaris SxS models is made from plastic with a rubber diaphragm. It is known to rupture and cause significant boost l...

If you increase the performance of your engine, you need to ensure your fuel system can deliver the goods or you're going to have a bad day! Upgrad...

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 specifica...

By combining atmosphere venting with the proven performance benefits of our ground-breaking DV+, the VTA delivers an aggressive blow-off sound, imp...

By combining atmosphere venting with the proven performance benefits of our ground-breaking DV+, the VTA delivers an aggressive blow-off sound, imp...

VTA BOVs vent to atmosphere to make the signature turbo blow-off sound, where the DV+ recirculates the air to keep it quiet. Each valve in the VTA ...

The intake is acoustically tuned to surpress the fluttering sound of compressor surge, it does not eliminate the effect of pressure pulses- that is...

Like all valves in the DV+ family, the T9381 offers significant benefits over factory-fitted electronic diverter valves – sharper throttle respon...

The newly released T9380 is the latest addition to the DV+ range of diverter valves from GFB (Go Fast Bits). It is specifically designed as a compl...

Furthermore, these benefits won't cost you the Earth! Rather than throwing the entire factory diverter valve system in the trash (like other manufa...

Furthermore, these benefits won't cost you the Earth! Rather than throwing the entire factory diverter valve system in the trash (like other manufa...

Furthermore, these benefits won't cost you the Earth! Rather than throwing the entire factory diverter valve system in the trash (like other manufa...

The Hybrid valve is back! In 1999, GFB's first Hybrid valve pioneered the dual port design, which was so successful the technology has since been a...

ALL THE PERFORMANCE WITH OR WITHOUT THE NOISE!, GFB's Mach 2 utilises GFB's proven TMS Technology to ensure rapid boost recovery on gearshift and o...

Strength and reliability is the primary factor, something that a diaphragm simply cannot match in a high-boost BOV environment. Diaphragms have the...

If cars like yours typically suffer issues such as backfiring and stalling when using a fixed-ratio atmosphere-venting BOV, the Respons can help. B...

GFB EX38/44 7psi Wastegate Spring (Middle)

The 7002 wastegate features an investment cast body made from 253MA chromium-nickel stainless steel, a one-piece stainless steel valve, and a nomex...