G Brand Collection

  • GFB RESPONS TMS (Silvia/200SX S14-15)-Blow Off Valves-Speed Science

    GFB RESPONS TMS - Silvia/200SX S14, S15

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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 RESPONS TMS (20mm inlet, 20mm outlet)-Blow Off Valves-Speed Science

    GFB RESPONS TMS 20mm inlet, 20mm outlet

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    $435.00 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 ve...

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    $435.00 NZD
  • 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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    $599.00 NZD

    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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    $599.00 NZD
  • GFB DECEPTOR PRO II (20mm inlet, 20mm outlet)-Blow Off Valves-Speed Science

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

    Go Fast Bits
    $599.00 NZD

    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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    $599.00 NZD
  • GFB Short Shifter Kit WRX MY08-on-Shifters-Speed Science

    GFB Short Shifter Kit WRX MY08-on

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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 GFB bother to ...

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    $309.00 NZD
  • GFB Shifter Upgrade For # 4003-Shifters-Speed Science

    GFB Shifter Upgrade For # 4003

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    $169.00 NZD

    This kit turns the basic 4003 short shift kit into the 4002 complete pro shift kit. GFB's Short Shift kits are like no other. Until you feel the a...

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    $169.00 NZD
  • 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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    $479.00 NZD

    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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    $479.00 NZD
  • GFB Underdrive Crank Pulley Kit - MITSUBISHI EVO 4-9-Pulleys-Speed Science

    GFB Underdrive Crank Pulley Kit - MITSUBISHI EVO 4-9

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    $339.00 NZD

    New from GFB is the Under-drive Crank Pulley for the Mitsubishi EVO VIII & IX. Like all GFB pulleys, the material used is 6000 series aluminiu...

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    $339.00 NZD
  • 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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    $479.00 NZD

    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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    $479.00 NZD
  • 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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    $479.00 NZD

    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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    $479.00 NZD
  • 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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    $479.00 NZD

    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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    $479.00 NZD
  • GFB Sti 6 speed short shifter (MY02-on) - basic kit-Shifters-Speed Science

    GFB Subaru STI 6 speed short shifter- MY02-on - basic kit

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    $309.00 NZD

    New from GFB is the STi 6-speed Short Shift Basic Kit (part # 4003), which has been designed as an infinitely more affordable alternative to STi’s...

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    $309.00 NZD
  • 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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    $599.00 NZD

    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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    $599.00 NZD
  • GFB DECEPTOR PRO II (25mm inlet, 25mm outlet)-Blow Off Valves-Speed Science

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

    Go Fast Bits
    $599.00 NZD

    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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    $599.00 NZD
  • GFB DECEPTOR PRO II (Silvia/200SX S14-15)-Blow Off Valves-Speed Science

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

    Go Fast Bits
    $599.00 NZD

    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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    $599.00 NZD
  • 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)

    Go Fast Bits
    $609.00 NZD

    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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    $609.00 NZD