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  • GFB RESPONS TMS (Skyline GTS-T R32-34, MPS 3/6 MPS, CX-7)-Blow Off Valves-Speed Science

    GFB RESPONS TMS - Skyline GTS-T R32, R33, R34, MPS 3/6, CX-7

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    $429.00 NZD

    On 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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    $429.00 NZD
  • GFB Whistling Trumpet-Blow Off Valves-Speed Science

    GFB Whistling Trumpet

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    $54.90 NZD

    You 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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    $54.90 NZD
  • GFB Hybrid Blow Off Valve - Mazda MPS/CX7/All Nissan Skyline excl R35-Blow Off Valves-Speed Science

    GFB Hybrid Blow Off Valve - Mazda MPS/CX7/All Nissan Skyline excl R35

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    $369.00 NZD

    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, t...

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    $369.00 NZD
  • GFB Screw In Plug (screws into any GFB trumpet or plumb-back outlet, except valves manufactured before 2003)

    GFB Screw In Plug (screws into any GFB trumpet or plumb-back outlet, except valves manufactured before 2003)

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    $28.90 NZD

    GFB 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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    $28.90 NZD
  • GFB G-Force III Electronic Boost Controller

    GFB G-Force III Electronic Boost Controller

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    $499.00 NZD

    The 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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    $499.00 NZD
  • GFB EX44 - 44mm External Wastegate-Wastegates-Speed Science

    GFB EX44 - 44mm External Wastegate

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    from $599.00 NZD

    The 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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    from $599.00 NZD
  • GFB ATOMIC Manual Boost Controller-Boost Controllers & Solenoids-Speed Science

    GFB ATOMIC Manual Boost Controller

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    $139.00 NZD

    The 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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    $139.00 NZD
  • GFB D-FORCE Diesel Electronic Boost Controller

    GFB D-FORCE Diesel Electronic Boost Controller

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    from $499.00 NZD

    EASY 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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    from $499.00 NZD
  • GFB VTA - MK5/6 Golf, Audi

    GFB VTA - MK5/6 Golf, Audi

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    $319.00 NZD

    The 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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    $319.00 NZD
  • GFB EX38 - 38mm External Wastegate-Wastegates-Speed Science

    GFB EX38 - 38mm External Wastegate

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    from $489.00 NZD

    The 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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    from $489.00 NZD
  • GFB RESPONS TMS (WRX MY08-on, GT Legacy MY03-09, XT Forester MY09-on)-Blow Off Valves-Speed Science

    GFB RESPONS TMS - MY08 on WRX, 03-09 GT Legacy, 09-on XT Forester

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    $429.00 NZD

    On 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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    $429.00 NZD
  • GFB DV+ Diverter Valve - Late Model Euro-Blow Off Valves-Speed Science

    GFB DV+ Diverter Valve - Late Model Euro

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    $229.00 NZD

    GFB 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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    $229.00 NZD
  • GFB RESPONS TMS (WRX MY01-07, STi MY02-on, XT Forester MY05-08)-Blow Off Valves-Speed Science

    GFB RESPONS TMS - 01-07 WRX, 02 on STi , 05-08 XT Forester

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    $429.00 NZD

    On 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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    $429.00 NZD
  • GFB EX50 - 50mm External Wastegate-Wastegates-Speed Science

    GFB EX50 - 50mm External Wastegate

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    from $729.00 NZD

    "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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    from $729.00 NZD
  • GFB Mach 2 TMS Recirculating Diverter Valve Direct Fitment - Skyline GTS-T R32-34, Mazda 3 & 6 MPS, CX-7

    GFB Mach 2 TMS Recirculating Diverter Valve Direct Fitment - Skyline GTS-T R32-34, Mazda 3 & 6 MPS, CX-7

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    $319.00 NZD

    GFB 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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    $319.00 NZD
  • GFB SV52 - High Capacity Racing Dump Valve

    GFB SV52 - High Capacity Racing Dump Valve

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    $445.00 NZD

    In 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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    $445.00 NZD
  • GFB Sti 6 speed short shifter (MY02-on)-Shifters-Speed Science

    GFB Sti 6 speed short shifter MY02-on

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    $429.00 NZD

    Following 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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    $429.00 NZD
  • GFB DECEPTOR PRO II - Skyline GTS-T R33-34, MPS 3/6, CX-7-Blow Off Valves-Speed Science

    GFB DECEPTOR PRO II - Skyline GTS-T R33-34, MPS 3/6, CX-7

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    $599.00 NZD

    GFB 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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    $599.00 NZD
  • GFB Boost Pressure Gauge

    GFB Boost Pressure Gauge

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    $109.00 NZD

    52mm 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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    $109.00 NZD
  • GFB Fuel Pressure Guage

    GFB Fuel Pressure Guage

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    $54.90 NZD

    40mm (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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    $54.90 NZD
  • GFB 30mm Recirc Adaptor

    GFB 30mm Recirc Adaptor

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    $39.00 NZD

    A range of different sized screw-on plumb-back (recirc) fittings to suit all universal blow-off valves.

    $39.00 NZD
  • GFB RESPONS TMS (WRX/STi MY99-00, B4 Legacy, GT/XT Forester MY98-04)-Blow Off Valves-Speed Science

    GFB RESPONS TMS - 99-00 WRX/STi , B4 Legacy, GT/XT Forester, 98-04 GT/XT Forester

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    $429.00 NZD

    On 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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    $429.00 NZD
  • GFB Wastgate Valve Seat

    GFB Wastgate Valve Seat

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    $65.00 NZD

    $65.00 NZD
  • GFB HYBRID Dual Port 50/50 Atmo/Recir - 99-2000 WRX/STi, B4 Legacy, 98-04 GT/XT Forester

    GFB HYBRID Dual Port 50/50 Atmo/Recir - 99-2000 WRX/STi, B4 Legacy, 98-04 GT/XT Forester

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    $369.00 NZD

    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, t...

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    $369.00 NZD
  • GFB DV+ Suits Ford, Volvo, Porsche, Borg Warner Turbos for non directly mounted solenoids

    GFB DV+ Suits Ford, Volvo, Porsche, Borg Warner Turbos for non directly mounted solenoids

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    $279.00 NZD

    The 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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    $279.00 NZD
  • GFB RESPONS TMS (33mm inlet, 33mm outlet - suits EVO I-X)-Blow Off Valves-Speed Science

    GFB RESPONS TMS 33mm inlet, 33mm outlet - suits EVO I-X

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    $429.00 NZD

    On 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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    $429.00 NZD
  • GFB Manifold Boost Gauge Port - VW Golf Mk5 / Mk6

    GFB Manifold Boost Gauge Port - VW Golf Mk5 / Mk6

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    $94.90 NZD

    The 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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    $94.90 NZD
  • GFB 7 psi spring for EX38/44 wastegates 7002 & 7003

    GFB 7 psi spring for EX38/44 wastegates 7002 & 7003

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    $54.90 NZD

    Suits Wastegates 38 (7003) & 44 (7002) 7 psi middle spring

    $54.90 NZD
  • GFB Short Shifter Kit WRX MY97-07, STi MY97-00, B4 Legacy MY98-02-Shifters-Speed Science

    GFB Short Shifter Kit - 97-07 WRX7, 97-00 STi , 98-02 B4 Legacy

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    $309.00 NZD

    GFB'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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    $309.00 NZD
  • GFB Mach 2 Universal Blow Off Valve-Blow Off Valves-Speed Science

    GFB Mach 2 Universal Blow Off Valve 33mm Inlet & Outlet

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    $319.00 NZD

    The 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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    $319.00 NZD