Featured Items

Part Number: gfbT9003 Description: Respons BOV Add-On: 5701 Title: Go Fast Bits RESPONS dual outlet BOV/Diverter Valve; patented venting bia...

You asked, GFB delivered. A full sweet of GFB Blow Off Valve Accessories. *Whistling Trumpet* - A replacement trumpet that gives a different soun...

GFB DV+ Diverter Valve is a direct replacement for the factory valve (Patent Pending). Keep what works and replace what doesn’t! By retaining the ...

ALL THE PERFORMANCE WITH THE NOISE! The Hybrid valve is back! In 1999, GFB's first Hybrid valve pioneered the dual port design, which was so succes...

You asked, GFB delivered. A full sweet of GFB Blow Off Valve Accessories. *Whistling Trumpet* - A replacement trumpet that gives a different soun...

Using GFB’s TMS technology the Mach 2 can help return the engine to peak boost up to 30% faster than a factory diverter valve when shifting gears. ...

A G-force/D-force Wiring Loom Replacement Part Number: gfb3855 Description: GFB G-Force/D-Force Wiring Loom Add-On: Not Applicable Brand: G...

You asked, GFB delivered. A full sweet of GFB Blow Off Valve Accessories. *Whistling Trumpet* - A replacement trumpet that gives a different soun...

You asked, GFB delivered. A full sweet of GFB Blow Off Valve Accessories. *Whistling Trumpet* - A replacement trumpet that gives a different soun...

You asked, GFB delivered. A full sweet of GFB Blow Off Valve Accessories. *Whistling Trumpet* - A replacement trumpet that gives a different soun...

You asked, GFB delivered. A full sweet of GFB Blow Off Valve Accessories. *Whistling Trumpet* - A replacement trumpet that gives a different soun...

GFB lightweight pulley kits are made from aircraft-grade 6061-T6 aluminium and offer faster acceleration through significant weight reduction on th...

The FA24 engine in the 2022+ WRX now uses an electronically controlled factory diverter in place of the pneumatic bypass valve found on all previou...

GFB DV+ Diverter Valve is a direct replacement for the factory valve (Patent Pending). Keep what works and replace what doesn’t! By retaining th...

GFB DV+ Diverter Valve is a direct replacement for the factory valve (Patent Pending). Keep what works and replace what doesn’t! By retaining th...

GFB DV+ Diverter Valve is a direct replacement for the factory valve (Patent Pending). Keep what works and replace what doesn’t! By retaining th...

GFB DV+ Diverter Valve is a direct replacement for the factory valve (Patent Pending). Keep what works and replace what doesn’t! By retaining th...

GFB's DV+ design solves the longevity and boost leaking issues that are common with factory diverter valves, and also changes the operation method ...

GFB DV+ Diverter Valve is a direct replacement for the factory valve (Patent Pending). Keep what works and replace what doesn’t! By retaining th...

GFB DV+ Diverter valve (Part number T9301) is a direct bolt on factory valve replacement. Designed to replace the weak plastic Bosch diverter valve...

GFB DV+ Diverter Valve is a direct replacement for the factory valve (Patent Pending). Keep what works and replace what doesn’t! By retaining th...

GFB lightweight pulley kits are made from aircraft-grade 6061-T6 aluminium and offer faster acceleration through significant weight reduction on th...

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 op...

Using GFB’s TMS technology the Mach 2 can help return the engine to peak boost up to 30% faster than a factory diverter valve when shifting gears...