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  • GFB - DV+ Diverter Valve (25mm Bosch diverter replacement)

    GFB - DV+ Diverter Valve (25mm Bosch diverter replacement)

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    $166.96 USD

    When you just want  performance European Manufacturers Are Pushing Their Engines To The Limit. Get A DV To Match. GFB’s DV+ diverter valve range of...

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    $166.96 USD
  • GFB 1.5” Weld-On Adaptor

    GFB 1.5” Weld-On Adaptor

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    from $10.44 USD

    from $10.44 USD
  • GFB 10 psi outer spring for EX38/44 wastegates 7002 & 7003

    GFB 10 psi outer spring for EX38/44 wastegates 7002 & 7003

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    $29.57 USD

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

    $29.57 USD
  • GFB 1” Weld-On Adaptor

    GFB 1” Weld-On Adaptor

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    $10.44 USD

    $10.44 USD
  • GFB 2 Piece underdrive pulley kit - Suits WRX/STI 94-07 / Forester 98-07 / Legacy 03-07

    GFB 2 Piece underdrive pulley kit - Suits WRX/STI 94-07 / Forester 98-07 / Legacy 03-07

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    $211.31 USD

    Kit includes crank and alternator pulleys, and 2 belts. GFB lightweight underdrive pulley kit (part number 2001) is made from anodized aircraft-gr...

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    $211.31 USD
  • GFB 20mm Recirc Adaptor

    GFB 20mm Recirc Adaptor

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    $22.61 USD

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

    $22.61 USD
  • GFB 25mm Recirc Adaptor

    GFB 25mm Recirc Adaptor

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    $22.61 USD

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

    $22.61 USD
  • GFB 3-Piece Lightweight Pulley Kit - BRZ/86/FR-S-Pulleys-Speed Science

    GFB 3-Piece Lightweight Pulley Kit - BRZ/86/FR-S

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    $495.66 USD

    Like all GFB lightweight pulleys, these begin life as a single 6061-T6 aluminium alloy billet, which is then precision CNC machined to exacting tol...

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    $495.66 USD
  • GFB 3-Piece Underdrive Pulley Kit - WRX/STi MY03-07, Forester XT MY03-08-Pulleys-Speed Science

    GFB 3-Piece Underdrive Pulley Kit - 03-07 WRX/STi, 03-08 Forester XT

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    $269.57 USD

    Like all GFB lightweight pulleys, these begin life as a single 6061-T6 aluminium alloy billet, which is then precision CNC machined to exacting tol...

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    $269.57 USD
  • GFB 3-Piece Underdrive Pulley Kit - WRX/STi MY94-98, Forester GT MY98-00)-Pulleys-Speed Science

    GFB 3-Piece Underdrive Pulley Kit - 94-98 WRX/STi, 98-00 Forester GT

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    $269.57 USD

    Like all GFB lightweight pulleys, these begin life as a single 6061-T6 aluminium alloy billet, which is then precision CNC machined to exacting to...

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    $269.57 USD
  • GFB 3-Piece Underdrive Pulley Kit - WRX/STi MY99-00, Forester GT MY01-02)-Pulleys-Speed Science

    GFB 3-Piece Underdrive Pulley Kit - 99-02 WRX/STi

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    $269.57 USD

    Like all GFB lightweight pulleys, these begin life as a single 6061-T6 aluminium alloy billet, which is then precision CNC machined to exacting to...

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    $269.57 USD
  • GFB 3-Piece Underdrive Pulley Kit - WRX/STi MY08-on, Liberty GT MY03-on, Forester XT MY09-on-Pulleys-Speed Science

    GFB 3-Piece Underdrive Pulley Kit - MY08-on WRX/STi , MY03-on Liberty/Legacy GT, MY09-onForester XT

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    $269.57 USD

    Like all GFB lightweight pulleys, these begin life as a single 6061-T6 aluminium alloy billet, which is then precision CNC machined to exacting tol...

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    $269.57 USD
  • GFB 30mm Recirc Adaptor

    GFB 30mm Recirc Adaptor

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    $22.61 USD

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

    $22.61 USD
  • GFB 33mm Recirc Adaptor

    GFB 33mm Recirc Adaptor

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    $22.61 USD

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

    $22.61 USD
  • GFB 7 psi spring for EX38/44 wastegates 7002 & 7003

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

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    $29.57 USD

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

    $29.57 USD
  • GFB ATOMIC Manual Boost Controller-Boost Controllers & Solenoids-Speed Science

    GFB ATOMIC Manual Boost Controller

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    $83.48 USD

    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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    $83.48 USD
  • GFB D-Boost V2 VNT Manual Boost Controller

    GFB D-Boost V2 VNT Manual Boost Controller

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    $166.96 USD

    Want to increase or decrease the boost on your variable vane (i.e. VNT/ VGT) turbo diesel? Is the factory boost curve erratic and all over the pla...

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    $166.96 USD
  • GFB D-FORCE Diesel Electronic Boost Controller

    GFB D-FORCE Diesel Electronic Boost Controller

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    from $288.70 USD

    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 $288.70 USD
  • GFB D-FORCE Thermocouple Assembly EGT Kit

    GFB D-FORCE Thermocouple Assembly EGT Kit

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    $108.70 USD

    GFB’s EGT (Exhaust Gas Temperature) Plugin kit is a direct plugin to our existing 3006 D-Force Electronic Boost Controller, adding critical exhaust...

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    $108.70 USD
  • GFB DECEPTOR PRO II (20mm inlet, 20mm outlet)-Blow Off Valves-Speed Science

    GFB DECEPTOR PRO II (20mm inlet, 20mm outlet)

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    $378.27 USD

    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 ...

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    $378.27 USD
  • GFB DECEPTOR PRO II (25mm inlet, 25mm outlet)-Blow Off Valves-Speed Science

    GFB DECEPTOR PRO II (25mm inlet, 25mm outlet)

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    $378.27 USD

    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 ...

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    $378.27 USD
  • GFB DECEPTOR PRO II (35mm inlet, 30mm outlet)-Blow Off Valves-Speed Science

    GFB DECEPTOR PRO II (35mm inlet, 30mm outlet)

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    $378.27 USD

    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 ...

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    $378.27 USD
  • GFB DECEPTOR PRO II (EVO I-X)-Blow Off Valves-Speed Science

    GFB DECEPTOR PRO II (EVO I-X)

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    $378.27 USD

    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...

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    $378.27 USD
  • GFB DECEPTOR PRO II (GT-R R35 - 2 valves included)

    GFB DECEPTOR PRO II (GT-R R35 - 2 valves included)

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    $622.61 USD

    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...

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    $622.61 USD
  • GFB DECEPTOR PRO II (Kia Stinger - 2 valves included)

    GFB DECEPTOR PRO II (Kia Stinger - 2 valves included)

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    $622.61 USD

    ALL THE PERFORMANCE WITH OR WITHOUT THE NOISE! Give YOUR Kia Stinger The Sound You Want, And The Performance To Go With It!  You can adjust the vo...

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    $622.61 USD
  • GFB DECEPTOR PRO II (Silvia/200SX S14-15)-Blow Off Valves-Speed Science

    GFB DECEPTOR PRO II (Silvia/200SX S14-15)

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    $378.27 USD

    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 ...

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    $378.27 USD
  • GFB DECEPTOR PRO II (WRX MY01-07, STi MY02-on, XT Forester MY05-08)-Blow Off Valves-Speed Science

    GFB DECEPTOR PRO II - 01-07 WRX MY, 02-on STi, 05-08 XT Forester

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    $378.27 USD

    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...

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    $378.27 USD
  • GFB DECEPTOR PRO II (WRX MY08-on, GT Legacy MY03-09, XT Forester MY09-on)-Blow Off Valves-Speed Science

    GFB DECEPTOR PRO II - 08-on WRX, 03-09 GT Legacy, 09-on XT Forester

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    $378.27 USD

    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 take...

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    $378.27 USD
  • GFB DECEPTOR PRO II (WRX/STi MY99-00, B4 Legacy, GT/XT Forester MY98-04)-Blow Off Valves-Speed Science

    GFB DECEPTOR PRO II - 99-00 WRX/STi, B4 Legacy, 98-04 GT/XT Forester)

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    $378.27 USD

    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...

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    $378.27 USD
  • 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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    $378.27 USD

    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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    $378.27 USD
  • GFB DV+ - 2.0L Giulia & BMW X5M/X6M, need 2 valves for X5M/X6M

    GFB DV+ - 2.0L Giulia & BMW X5M/X6M, need 2 valves for X5M/X6M

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    $127.83 USD

    The new DV+ for Alfa Romeo Giulia 2.0L & BMW X5M/X6M (need 2 valves for X5M/X6M)! GFB’S DV+ SOLUTION COULDN’T BE SIMPLER – KEEP WHAT WORKS AND ...

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    $127.83 USD
  • GFB DV+ 1.4 TSI Twin Charged Engines

    GFB DV+ 1.4 TSI Twin Charged Engines

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    $127.83 USD

    Introducing The New DV+ For 1.4 TSI Twin Charged Engines! GFB’s DV+ Solution Couldn’t Be Simpler – Keep What Works And Replace What Doesn’t. World...

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    $127.83 USD
  • GFB DV+ BMW N20 Enigne

    GFB DV+ BMW N20 Enigne

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    $127.83 USD

    Introducing The New DV+ T9357 Suits Various BMW Applications GFB’s DV+ Solution Couldn’t Be Simpler – Keep What Works And Replace What Doesn’t. Wor...

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    $127.83 USD
  • GFB DV+ Diverter Valve - Late Model Euro-Blow Off Valves-Speed Science

    GFB DV+ Diverter Valve - Late Model Euro

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    $127.83 USD

    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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    $127.83 USD
  • GFB DV+ Dodge Dart, BMW F30 335i, BMW F20, BMW F21, M135i, Fiat 500 Abarth

    GFB DV+ Dodge Dart, BMW F30 335i, BMW F20, BMW F21, M135i, Fiat 500 Abarth

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    $127.83 USD

    Introducing The New DV+ For 1.4 TSI Twin Charged Engines! GFB’s DV+ Solution Couldn’t Be Simpler – Keep What Works And Replace What Doesn’t. Worldw...

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    $127.83 USD
  • GFB DV+ Ford Focus RS

    GFB DV+ Ford Focus RS

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    $151.31 USD

    The DV+ T9360: When You Want No Noise, No Nonsense Just Performance! Introducing The New DV+ For 1.4 TSI Twin Charged Engines! GFB’s DV+ Solution C...

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    $151.31 USD
  • GFB DV+ Mini N18 2010+

    GFB DV+ Mini N18 2010+

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    $180.00 USD

    Introducing the new DV+ for Mini N18 Engines (For both Automatic & Manual Transmission Engines) GFB’s DV+ Solution Couldn’t Be Simpler – Keep W...

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    $180.00 USD
  • GFB DV+ Mini/Peugeot/Citroen

    GFB DV+ Mini/Peugeot/Citroen

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    $127.83 USD

    Introducing the new DV+ for Mini, Citroën and Peugeot applications! Gfb’s Dv+ Solution Couldn’t Be Simpler – Keep What Works And Replace Wha...

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    $127.83 USD
  • 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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    $160.00 USD

    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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    $160.00 USD
  • GFB DV+ VW MK7 Golf R & Audi 8V S3

    GFB DV+ VW MK7 Golf R & Audi 8V S3

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    $192.18 USD

    Introducing The New DV+ For The VW MK7 Golf R And Audi 8V S3 GFB’s DV+ Solution Couldn’t Be Simpler – Keep What Works And Replace What Doesn’t.Worl...

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    $192.18 USD
  • GFB DVX - Suits Ford,Volvo,Porsche & Borg Warner EFR Turbos

    GFB DVX - Suits Ford,Volvo,Porsche & Borg Warner EFR Turbos

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    $192.18 USD

    The DV+ T9354: When you want no noise, no nonsense just performance! THE SIMPLE & ESSENTIAL MOD FOR 30% QUICKER BOOST By retaining the factory ...

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    $192.18 USD
  • GFB DVX - Suits Hyundai, Veloster, Kia

    GFB DVX - Suits Hyundai, Veloster, Kia

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    $211.31 USD

    GFB’s DVX Takes The Extremely Popular DV+ Diverter Valve And Adds Dual Venting Outlets Along With Our Patented Venting Bias Adjustment Syste...

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    $211.31 USD
  • GFB DVX - Suits VW MK7 Golf R & Audi 8V S3

    GFB DVX - Suits VW MK7 Golf R & Audi 8V S3

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    $275.66 USD

    GFB’s DVX Takes The Extremely Popular DV+ Diverter Valve And Adds Dual Venting Outlets Along With Our Patented Venting Bias Adjustment System. So n...

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    $275.66 USD
  • GFB DVX Diverter Valve - Ford,Volvo,Porsche & Borg Warner EFR Turbos

    GFB DVX Diverter Valve - Ford,Volvo,Porsche & Borg Warner EFR Turbos

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    $192.18 USD

    What Makes Dvx Different To Any Other Valve That Goes “whoosh”? The DVX is not just a noisemaker (like BOV spacers) – by modifying the val...

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    $192.18 USD
  • GFB EX38 - 38mm External Wastegate-Wastegates-Speed Science

    GFB EX38 - 38mm External Wastegate

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    $314.79 USD

    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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    $314.79 USD
  • GFB EX38 - Weld On Wastegate Inlet Flange
    $29.57 USD
  • GFB EX38 - Weld On Wastegate Outlet Flange
    $29.57 USD
  • GFB EX38/44 5psi spring inner for wastegates 7002 & 7003

    GFB EX38/44 5psi spring inner for wastegates 7002 & 7003

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    $29.57 USD

    Suits Wastegates 38 (7003) & 44 (7002) 5 psi spring

    $29.57 USD