Blow Off Valves

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 optimum throttle response, as well as the ability to withstand boost pressures of 100psi+. Put simply, it...

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 optimum throttle response, as well as the ability to withstand boost pressures of 100psi+. Put simply, it...

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 optimum throttle response, as well as the ability to withstand boost pressures of 100psi+. Put simply, it...

If cars like yours typically suffer issues such as backfiring and stalling when using a fixed-ratio atmosphere-venting BOV, the Respons can help. By adjusting the venting bias to suit the car you can achieve a blow-off sound without having to put up with...

RESPONS TMS : SMARTER THAN A DUAL PORT BOV!Atmosphere venting BOV won’t work on your car? Try a GFB Respons – you’ll be surprised!Just another dual-port BOV?On the surface, it may look like just another dual-port blow-off valve, but the Respons is...

RESPONS TMS : SMARTER THAN A DUAL PORT BOV!Atmosphere venting BOV won’t work on your car? Try a GFB Respons – you’ll be surprised! Just another dual-port BOV?On the surface, it may look like just another dual-port blow-off valve, but...

Now You Can Control The Sound Of The BOV From Inside The Cabin!So how much more can you do with a blow-off valve? Well, the Deceptor Pro II takes the ‘Respons’ concept even further...Adjust your BOV venting bias electronically on-the-flyRevised porting...

Now You Can Control The Sound Of The BOV From Inside The Cabin!So how much more can you do with a blow-off valve? Well, the Deceptor Pro II takes the ‘Respons’ concept even further...Adjust your BOV venting bias electronically on-the-flyRevised porting...

The DV+ For Subaru WRX 2022+ Models!The FA24 engine in the 2022+ WRX now uses an electronically controlled factory diverter in place of the pneumatic bypass valve found on all previous turbo Subaru engines.Factory electronic diverter valves have been...

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 Google, the year is 1998 and GFB’s founding engineer John Adrian is so sick of his new WRX stalling with an...

The Hybrid Is Back!Celebrating 20 Years Since the World?s First Dual Outlet Blow-Off ValveIn a time before Justin Bieber, Y2K, and even Google, the year is 1998 and GFB?s founding engineer John Adrian is so sick of his new WRX stalling with an...

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 Google, the year is 1998 and GFB’s founding engineer John Adrian is so sick of his new WRX stalling with an...

MACH 2: 100% Recirculating Diverter ValveTHE SIMPLE & ESSENTIAL MOD FOR QUICKER BOOST RESPONSEUtilising Proven TMS Technology to Ensure Dependable Boost Holding & Optimum Throttle ResponseBlow off sound not to your taste? Want something as “sleeper” as...

MACH 2: 100% Recirculating Diverter ValveTHE SIMPLE & ESSENTIAL MOD FOR QUICKER BOOST RESPONSEUtilising Proven TMS Technology to Ensure Dependable Boost Holding & Optimum Throttle ResponseBlow off sound not to your taste? Want something as “sleeper” as...

RESPONS TMS : SMARTER THAN A DUAL PORT BOV!Atmosphere venting BOV won’t work on your car? Try a GFB Respons – you’ll be surprised!Just another dual-port BOV?On the surface, it may look like just another dual-port blow-off valve, but the Respons is...

If cars like yours typically suffer issues such as backfiring and stalling when using a fixed-ratio atmosphere-venting BOV, the Respons can help. By adjusting the venting bias to suit the car you can achieve a blow-off sound without having to put up with...

DescriptionMany times they have been asked for a replacement trumpet that gives a different sound, and here it is.The ability to change the sound of a Blow-Off Valve is increasingly becoming an important issue with buyers, who want to sound different...

TiAL Sport QR BOV 8 PSI Spring - Purple 1.0in

TiAL Sport QR BOV 12 PSI Spring - Purple (1.0in)

MACH 2: 100% Recirculating Diverter ValveTHE SIMPLE & ESSENTIAL MOD FOR QUICKER BOOST RESPONSEUtilising Proven TMS Technology to Ensure Dependable Boost Holding & Optimum Throttle ResponseBlow off sound not to your taste? Want something as...

MACH 2: 100% Recirculating Diverter ValveTHE SIMPLE & ESSENTIAL MOD FOR QUICKER BOOST RESPONSEUtilising Proven TMS Technology to Ensure Dependable Boost Holding & Optimum Throttle ResponseBlow off sound not to your taste? Want something as...