Go Fast Bits

GFB 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...
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GFB 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...
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GFB Hybrid Blow Off Valve - Mazda MPS/CX7/All Nissan Skyline excl R35
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...
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GFB 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...
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GFB G-Force III Electronic Boost Controller
Go Fast BitsThe latest iteration of GFB’s feature-packed electronic boost controller now has the ability to monitor and display your engine’s air/fuel ...
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GFB EX44 - 44mm External Wastegate
Go Fast BitsThe GFB 44mm Wastegate has been designed to cope with the brutal conditions of extreme exhaust temperatures, the EX44 Wastegate features not only a...
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GFB ATOMIC Manual Boost Controller
Go Fast BitsThe Atomic has earned a reputation as being one of the most reliable and effective manual boost controllers on the market, boasting a repe...
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GFB D-FORCE Diesel Electronic Boost Controller
Go Fast BitsEASY TO INSTALL AND USE, THE D-FORCE GIVES YOU ULTIMATE CONTROL OF YOUR BOOST PRESSURE!* Want to adjust boost for towing? Change it if EGT gets ...
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GFB 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...
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GFB EX38 - 38mm External Wastegate
Go Fast BitsThe EX38 features a 38mm valve and comes standard with a 10psi spring. Additional springs are also available - by using various combinations of 5p...
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GFB 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...
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GFB DV+ Diverter Valve - Late Model Euro
Go Fast BitsGFB expands the DV+ range with a direct-fit solution for the weak factory diverter valve used on many European vehicles. GFB’s DV+ solution couldn’...
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GFB 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...
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GFB EX50 - 50mm External Wastegate
Go Fast Bits"with the manifold glowing...the boost never varies" Joe Signorelli Designed to cope with the brutal conditions of extreme exhaust temperatures, th...
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GFB 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%...
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GFB 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...
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GFB Sti 6 speed short shifter MY02-on
Go Fast BitsFollowing on from the popular WRX short-shift kit, GFB have now released a new version to suit Subaru's 6-speed gearbox found in all late-model ST...
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GFB DECEPTOR PRO II - Skyline GTS-T R33-34, MPS 3/6, CX-7
Go Fast BitsGFB DECEPTOR PRO II - Skyline GTS-T R33-34, MPS 3/6 MPS, CX-7 Now you can control the sound of the BOV from inside the cabin! So how much more can ...
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GFB Boost Pressure Gauge
Go Fast Bits52mm mechanical 30psi boost pressure gauge.Featuring dimmable LED backlighting, the smoked lens is dark when off and comes alive when the ignition ...
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GFB Fuel Pressure Guage
Go Fast Bits40mm (1 1/2 inch) Fuel Pressure Gauge, silicone fluid filled for stable readings and long life. Features a clear and easy-to-read dual scale pressu...
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GFB 30mm Recirc Adaptor
Go Fast BitsA range of different sized screw-on plumb-back (recirc) fittings to suit all universal blow-off valves.

GFB 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...
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GFB 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...
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GFB DV+ Suits Ford, Volvo, Porsche, Borg Warner Turbos for non directly mounted solenoids
Go Fast BitsThe Simple & Essential Mod For 30% Quicker Boost By retaining the factory ECU control and recirculating the vented air, the DV+ T9354 is a pure...
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GFB 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...
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GFB Manifold Boost Gauge Port - VW Golf Mk5 / Mk6
Go Fast BitsThe Gfb Vag Mk5/6 Boost Gauge Tap Provides A Neat & Easy Manifold Pressure Reference Port For 2.0 Tsi/fsi Engines. 10 second installation! Sin...
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GFB 7 psi spring for EX38/44 wastegates 7002 & 7003
Go Fast BitsSuits Wastegates 38 (7003) & 44 (7002) 7 psi middle spring

GFB Short Shifter Kit - 97-07 WRX7, 97-00 STi , 98-02 B4 Legacy
Go Fast BitsGFB's Short Shift kits are like no other. Until you feel the action of one for yourself, you won t believe the difference! Why did we bother to ma...
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GFB 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...
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