Go Fast Bits

If your BOV vents to atmosphere and you drive in hostile environments, the 5711 filter is for you. Featuring a foam filter element with internal steel reinforcement, this filter can...

GFB Universal Atmospheric Trumpet w/Filter Mount

The latest iteration of GFB's feature-packed electronic boost controller now has the ability to monitor and display your engine's air/fuel ratio in either Lambda or AFR. By connecting the analogue...

By combining atmosphere venting with the proven performance benefits of our ground-breaking DV+, the VTA delivers an aggressive blow-off sound, improved throttle response, as well as superior boost holding and...

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 leaks, and its "normally open"...

By combining atmosphere venting with the proven performance benefits of our ground-breaking DV+, the VTA delivers an aggressive blow-off sound, improved throttle response, as well as superior boost holding and...

By combining atmosphere venting with the proven performance benefits of our ground-breaking DV+, the VTA delivers an aggressive blow-off sound, improved throttle response, as well as superior boost holding and...

By combining atmosphere venting with the proven performance benefits of our ground-breaking DV+, the VTA delivers an aggressive blow-off sound, improved throttle response, as well as superior boost holding and...

Standard Spring (used in all atmosphere venting valves, Respons, Deceptor Pro and atmosphere Mach 2)

The newly released T9388 is the latest addition to the DV+ range of diverter valves from GFB (Go Fast Bits). It is designed as a complete drop-in replacement for the...

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 complete replacement for the...

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

GFB developed the T9384 with a low-profile integrated solenoid as a complete replacement for both the Continental and Pierburg diverter valves, enabling a hassle-free installation with no clearance issues.This Part...

Most modern engines have eliminated vacuum ports from the intake manifold, making it difficult to install boost gauges, boost controllers, aftermarket blow-off valves and other devices that require a signal...

Most modern engines have eliminated vacuum ports from the intake manifold, making it difficult to install boost gauges, boost controllers, aftermarket blow-off valves and other devices that require a signal...

The two inlet ports can be used for single or dual rails, and the two gauge ports allow the use, of both a mechanical gauge and electronic pressure sensor. What...

The two inlet ports can be used for single or dual rails, and the two gauge ports allow the use, of both a mechanical gauge and electronic pressure sensor. What...

Internally, like all GFB products you'll find unique features and small touches that make the difference between a good product, and a great one. For example, we use a double-layer,...

Like all valves in the DV+ family, the T9381 offers significant benefits over factory-fitted electronic diverter valves – sharper throttle response, faster boost recovery on gearshift or brief throttle lifts,...

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! Upgrading the fuel...