Blow Off Valves
GFB HYBRID Dual Port 50/50 Atmo/Recir - 08+WRX, 03-09 GT Legacy, 09+ XT
Go Fast BitsThe 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, t...
View full detailsGFB Hybrid Dual Port 50/50 Atmo/Recir (20mm inlet, 20mm outlet) Earlier GC8 WRX
Go Fast BitsThe 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, t...
View full detailsGFB HYBRID Dual Port 50/50 Atmo/Recir - 01-07 WRX ,02+ STi, 05-08 XT Forester
Go Fast BitsThe 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, t...
View full detailsGFB HYBRID Dual Port 50/50 Atmo/Recir - 2015-on WRX/Forester (Not for STi)
Go Fast BitsThe 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, t...
View full detailsGFB HYBRID Dual Port 50/50 Atmo/Recir - 99-2000 WRX/STi, B4 Legacy, 98-04 GT/XT Forester
Go Fast BitsThe 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, t...
View full detailsGFB HYBRID Dual Port 50/50 Atmo/Recir - GT-R R35 - 2 valves included
Go Fast BitsThe 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, t...
View full detailsGFB HYBRID Dual Port 50/50 Atmo/Recir -Kia Stinger 2 Valve Kit
Go Fast BitsGive YOUR Kia Stinger The Sound You Want, And The Performance To Go With It! Featuring two “staged” venting outlets (one for recirc, one for atmos...
View full detailsGFB HYBRID Dual Port 50/50 Atmo/Recir -Silvia/200SX S14 & S15
Go Fast BitsThe 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, t...
View full detailsGFB Hybrid Dual Port 50/50 Atmo/Recir 25mm In/Out VW, Audi, Falcon & Bosch 25mm replacement
Go Fast BitsThe 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, t...
View full detailsGFB Hybrid Dual Port 50/50 Atmo/Recir Universal - 35mm inlet, 30mm outlet - 97-98 WRX/STi
Go Fast BitsThe 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, t...
View full detailsGFB Hybrid Dual Port 50/50 Atmo/Recir Universal 33mm inlet, 33mm outlet - suits EVO I-X
Go Fast BitsThe 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, t...
View full detailsGFB MACH 2 Blow Off Valve - 35mm inlet
Go Fast BitsNEW MACH 2: ENTRY LEVEL TMS THE SIMPLE & ESSENTIAL MOD FOR 30% QUICKER BOOST Utilising Proven Tms Technology To Ensure Dependable Boost Holding...
View full detailsGFB MACH 2 Recirc Valve x2 - Kia Stinger
Go Fast BitsTHE SIMPLE & ESSENTIAL MOD FOR 30% QUICKER BOOST Utilising Proven TMS Technology To Ensure Dependable Boost Holding And Optimum Throttle Resp...
View full detailsGFB Mach 2 TMS Recirculating Diverter Valve Direct Fitment - 01-07 WRX ,02 + STi, 05-08 XT Forester
Go Fast BitsTHE SIMPLE & ESSENTIAL MOD FOR 30% QUICKER BOOST Utilising Proven Tms Technology To Ensure Dependable Boost Holding And Optimum Throttle Respon...
View full detailsGFB Mach 2 TMS Recirculating Diverter Valve Direct Fitment - 08+ WRX, 03-09 GT Legacy, 09+ XT Forester
Go Fast BitsTHE SIMPLE & ESSENTIAL MOD FOR 30% QUICKER BOOST Utilising Proven Tms Technology To Ensure Dependable Boost Holding And Optimum Throttle Respon...
View full detailsGFB Mach 2 TMS Recirculating Diverter Valve Direct Fitment - 99-00 WRX/STi , B4 Legacy, 98-04 GT/XT Forester
Go Fast BitsTHE SIMPLE & ESSENTIAL MOD FOR 30% QUICKER BOOST Utilising Proven Tms Technology To Ensure Dependable Boost Holding And Optimum Throttle Respon...
View full detailsGFB Mach 2 TMS Recirculating Diverter Valve Direct Fitment - Silvia/200SX S14, S15
Go Fast BitsTHE SIMPLE & ESSENTIAL MOD FOR 30% QUICKER BOOST Utilising Proven Tms Technology To Ensure Dependable Boost Holding And Optimum Throttle Respon...
View full detailsGFB Mach 2 TMS Recirculating Diverter Valve Direct Fitment - Skyline GTS-T R32-34, Mazda 3 & 6 MPS, CX-7
Go Fast BitsGFB Mach 2 TMS Recirculating Diverter Valve Direct Fitment - Skyline GTS-T R32-34, Mazda 3 & 6 MPS, CX-7 THE SIMPLE & ESSENTIAL MOD FOR 30%...
View full detailsGFB Mach 2 Universal Blow Off Valve 33mm Inlet & Outlet
Go Fast BitsThe simple & essential mod for 30% quicker boost! Using GFB’s TMS technology the Mach 2 can help return the engine to peak boost up to 30% fast...
View full detailsGFB MACH 2 Valve - Recir 2015-on WRX/ Forester - Not for STi
Go Fast BitsNEW MACH 2: ENTRY LEVEL TMS THE SIMPLE & ESSENTIAL MOD FOR 30% QUICKER BOOST Utilising Proven Tms Technology To Ensure Dependable Boost Holding...
View full detailsGFB MACH 2 Valve - Recirc 20mm inlet, 20mm outlet
Go Fast BitsNEW MACH 2: ENTRY LEVEL TMS THE SIMPLE & ESSENTIAL MOD FOR 30% QUICKER BOOST Utilising Proven Tms Technology To Ensure Dependable Boost Holding...
View full detailsGFB MACH 2 Valve x2 - Recirc GT-R R35 - 2 valves included
Go Fast BitsNEW MACH 2: ENTRY LEVEL TMS THE SIMPLE & ESSENTIAL MOD FOR 30% QUICKER BOOST Utilising Proven Tms Technology To Ensure Dependable Boost Holding...
View full detailsGFB Recirc Hose Plugs
Go Fast BitsThis Hose Plug can be used for blocking off unused plumb-back hoses with full atmosphere-venting blow-off valves, In order to have a full recircula...
View full detailsGFB RESPONS TMS - 2 Valve Kit - Kia Stinger
Go Fast BitsALL THE PERFORMANCE WITH OR WITHOUT THE NOISE! Give YOUR Kia Stinger The Sound You Want, And The Performance To Go With It! The Respons TMS valves ...
View full detailsGFB RESPONS TMS - 01-07 WRX, 02 on STi , 05-08 XT Forester
Go Fast BitsOn the surface it may look like just another dual-port blow-off valve, but the Respons is actually much more than that. Featuring GFB's patented v...
View full detailsGFB RESPONS TMS - 99-00 WRX/STi , B4 Legacy, GT/XT Forester, 98-04 GT/XT Forester
Go Fast BitsOn the surface it may look like just another dual-port blow-off valve, but the Respons is actually much more than that. Featuring GFB's patented v...
View full detailsGFB RESPONS TMS - MY08 on WRX, 03-09 GT Legacy, 09-on XT Forester
Go Fast BitsOn the surface it may look like just another dual-port blow-off valve,but the Respons is actually much more than that. Featuring GFB’s patented ven...
View full detailsGFB RESPONS TMS - R35 GT-R - 2 valves included
Go Fast BitsOn the surface, it may look like just another dual-port blow-off valve, but the Respons is actually much more than that. Featuring GFB's patented v...
View full detailsGFB RESPONS TMS - Silvia/200SX S14, S15
Go Fast BitsOn the surface it may look like just another dual-port blow-off valve,but the Respons is actually much more than that. Featuring GFB's patented ven...
View full detailsGFB RESPONS TMS - Skyline GTS-T R32, R33, R34, MPS 3/6, CX-7
Go Fast BitsOn the surface, it may look like just another dual-port blow-off valve, but the Respons is actually much more than that. Featuring GFB's patented v...
View full detailsGFB RESPONS TMS 20mm inlet, 20mm outlet
Go Fast BitsOn the surface it may look like just another dual-port blow-off valve, but the Respons is actually much more than that. Featuring GFB's patented ve...
View full detailsGFB RESPONS TMS 25mm inlet, 25mm outlet - suits Bosch replacement
Go Fast BitsOn the surface it may look like just another dual-port blow-off valve,but the Respons is actually much more than that. Featuring GFB's patented ven...
View full detailsGFB RESPONS TMS 33mm inlet, 33mm outlet - suits EVO I-X
Go Fast BitsOn the surface it may look like just another dual-port blow-off valve,but the Respons is actually much more than that. Featuring GFB's patented ven...
View full detailsGFB RESPONS TMS 35mm inlet, 30mm outlet - 97-98 WRX/STi
Go Fast BitsOn the surface it may look like just another dual-port blow-off valve, but the Respons is actually much more than that. Featuring GFB's patented ve...
View full detailsGFB RESPONS TMS- MY15 on WRX- Not STI
Go Fast BitsRESPONS 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 ano...
View full detailsGFB Screw In Plug (screws into any GFB trumpet or plumb-back outlet, except valves manufactured before 2003)
Go Fast BitsGFB Screw In Plug (screws into any GFB trumpet or plumb-back outlet, except valves manufactured before 2003) Replacement parts and spares...
View full detailsGFB Soft spring - Mach 2, Respons TMS, and Deceptor Pro II valves
Go Fast BitsFits all Mach 2, Respons TMS, and Deceptor Pro II valves. This softer spring is supplied standard in all Mach 2 valves that are fully recirculate...
View full detailsGFB Standard Spring
Go Fast BitsThis is the standard spring that is supplied in all Respons TMS and Deceptor Pro II valves, and is an optional extra for all Mach 2 valves when b...
View full detailsGFB SV52 - High Capacity Racing Dump Valve
Go Fast BitsIn the race to create the most compact and highest flowing blow-off valve, GFB’s SV52 pulls ahead of the pack. Standing only 86mm tall (including t...
View full detailsGFB VTA - Focus RS
Go Fast BitsIf you want sound with your performance (or performance with your sound!), GFB’s VTA delivers just that! By combining the proven performance benef...
View full detailsGFB VTA - Focus ST
Go Fast BitsIf you want sound with your performance (or performance with your sound!), GFB’s VTA delivers just that! By combining the proven performance benef...
View full detailsGFB VTA - Ford Mustang
Go Fast BitsVTA T9468 DV+ Performance, Blow Off Valve Sound! The VTA is a performance blow-off valve solution for Ford Mustang Ecoboost vehicles with an electr...
View full detailsGFB VTA - Late model Audi, VW, Skoda & Seat 1.2 & 1.4TSI
Go Fast BitsVTA T9430 GREAT BLOW-OFF SOUND, CLIPS IN WITH NO TOOLS REQUIRED! The Latest Addition To The VTA Range Is A Blow-Off Valve Designed Specifically For...
View full detailsGFB VTA - MK5/6 Golf, Audi
Go Fast BitsThe VTA is a performance blow-off valve solution for Audi, VW, Skoda and SEAT vehicles with an electronic factory diverter valve. If you want sou...
View full detailsGFB Whistling Trumpet
Go Fast BitsYou asked, we delivered. Many times we have been asked for a replacement trumpet that gives a different sound, and here it is. The ability to ch...
View full detailsGReddy FV Blow Off Valve Attachment ONLY 19mm
GReddyThe GReddy FV Blow Off Valve is a new generation of blow off valve/ The unique "Floating Valve" design incorporates a revised adjustable dual sprin...
View full detailsGReddy Replacement Diaphram for Type RS Blow Off Valve
GReddyGReddy Replacement Diaphram for Type RS Blow Off Valve