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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...

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 succ...

These engines come from the factory with no diverter valve of any kind, resulting in turbo compressor surge every time the throttle is closed after...

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 ...

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 Hybrid is Back!* Celebrating 20 Years Since the World’s First Dual Outlet Blow-Off Valve In a time before Justin Bieber, Y2K, and even Googl...

*The Hybrid is Back!* Celebrating 20 Years Since the World’s First Dual Outlet Blow-Off Valve In a time before Justin Bieber, Y2K, and even Googl...

*Features* * Advanced TMS benefits * Spring pre-load adjustment for max. response * Available as universal or direct-fit kit * Venting configur...

PERRIN 22-25 Subaru WRX / 19-25 Ascent / 20-25 Legacy Turbo / 22-25 Outback Turbo Charge Pipe - Red Air Freight Prohibited: false Not Carb Appro...

PERRIN 22-25 Subaru WRX / 19-25 Ascent / 20-25 Legacy Turbo / 22-25 Outback Turbo Charge Pipe - Blk Air Freight Prohibited: false Not Carb Appro...

PERRIN 22-25 Subaru WRX / 19-25 Ascent / 22-25 Outback Turbo Charge Pipe - Hyper Pink Air Freight Prohibited: false Not Carb Approved: true C...

PERRIN 22-25 Subaru WRX / 19-25 Ascent / 22-25 Outback Turbo Charge Pipe Neon Yel. Air Freight Prohibited: false Not Carb Approved: true Carb...

PERRIN 08-21 Subaru STI Pro Electronic Boost Control Solenoid Air Freight Prohibited: false Not Carb Approved: true Carb Acknowledgement Requ...

HKS Super SQV 4+RETURN KIT GRB/GRF Air Freight Prohibited: false Not Carb Approved: true Carb Acknowledgement Required: true Ltl Freight Req...

HKS GT75115-BB V band A/R 1.01 Air Freight Prohibited: false Not Carb Approved: true Carb Acknowledgement Required: true Ltl Freight Require...

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...

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...

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

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...

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...

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...

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...

Massive Performance, Compact Size. It*s what we like to do here at GFB * maximize performance and minimize size. Here*s how we did it with the WGA:...

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...