Blow Off Valves

  • GFB HYBRID Dual Port  50/50 Atmo/Recir - 08+WRX, 03-09 GT Legacy, 09+ XT

    GFB HYBRID Dual Port 50/50 Atmo/Recir - 08+WRX, 03-09 GT Legacy, 09+ XT

    Go Fast Bits
    $349.00 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...

    View full details
    $349.00 NZD
  • GFB Hybrid Dual Port 50/50 Atmo/Recir (20mm inlet, 20mm outlet) Earlier GC8 WRX

    GFB Hybrid Dual Port 50/50 Atmo/Recir (20mm inlet, 20mm outlet) Earlier GC8 WRX

    Go Fast Bits
    $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...

    View full details
    $369.00 NZD
  • GFB HYBRID Dual Port 50/50 Atmo/Recir - 01-07 WRX ,02+ STi, 05-08 XT Forester

    GFB HYBRID Dual Port 50/50 Atmo/Recir - 01-07 WRX ,02+ STi, 05-08 XT Forester

    Go Fast Bits
    $349.00 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...

    View full details
    $349.00 NZD
  • GFB HYBRID Dual Port 50/50 Atmo/Recir - 2015-on WRX/Forester (Not for STi)

    GFB HYBRID Dual Port 50/50 Atmo/Recir - 2015-on WRX/Forester (Not for STi)

    Go Fast Bits
    $349.00 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...

    View full details
    $349.00 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

    Go Fast Bits
    $349.00 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...

    View full details
    $349.00 NZD
  • GFB HYBRID Dual Port 50/50 Atmo/Recir - GT-R R35 - 2 valves included

    GFB HYBRID Dual Port 50/50 Atmo/Recir - GT-R R35 - 2 valves included

    Go Fast Bits
    $649.00 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...

    View full details
    $649.00 NZD
  • GFB HYBRID Dual Port 50/50 Atmo/Recir -Kia Stinger 2 Valve Kit

    GFB HYBRID Dual Port 50/50 Atmo/Recir -Kia Stinger 2 Valve Kit

    Go Fast Bits
    $649.00 NZD

    Give 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 details
    $649.00 NZD
  • GFB HYBRID Dual Port 50/50 Atmo/Recir -Silvia/200SX S14 & S15

    GFB HYBRID Dual Port 50/50 Atmo/Recir -Silvia/200SX S14 & S15

    Go Fast Bits
    $349.00 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...

    View full details
    $349.00 NZD
  • GFB Hybrid Dual Port 50/50 Atmo/Recir 25mm In/Out VW, Audi, Falcon & Bosch 25mm replacement

    GFB Hybrid Dual Port 50/50 Atmo/Recir 25mm In/Out VW, Audi, Falcon & Bosch 25mm replacement

    Go Fast Bits
    $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...

    View full details
    $369.00 NZD
  • GFB Hybrid Dual Port 50/50 Atmo/Recir Universal - 35mm inlet, 30mm outlet - 97-98 WRX/STi

    GFB Hybrid Dual Port 50/50 Atmo/Recir Universal - 35mm inlet, 30mm outlet - 97-98 WRX/STi

    Go Fast Bits
    $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...

    View full details
    $369.00 NZD
  • GFB Hybrid Dual Port 50/50 Atmo/Recir Universal 33mm inlet, 33mm outlet - suits EVO I-X

    GFB Hybrid Dual Port 50/50 Atmo/Recir Universal 33mm inlet, 33mm outlet - suits EVO I-X

    Go Fast Bits
    $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...

    View full details
    $369.00 NZD
  • GFB MACH 2 Blow Off Valve - 35mm inlet

    GFB MACH 2 Blow Off Valve - 35mm inlet

    Go Fast Bits
    $289.00 NZD

    NEW MACH 2: ENTRY LEVEL TMS THE SIMPLE & ESSENTIAL MOD FOR 30% QUICKER BOOST Utilising Proven Tms Technology To Ensure Dependable Boost Holding...

    View full details
    $289.00 NZD
  • GFB MACH 2 Recirc Valve x2 - Kia Stinger

    GFB MACH 2 Recirc Valve x2 - Kia Stinger

    Go Fast Bits
    $615.00 NZD

    THE SIMPLE & ESSENTIAL MOD FOR 30% QUICKER BOOST Utilising Proven TMS Technology To Ensure Dependable Boost Holding And Optimum Throttle Resp...

    View full details
    $615.00 NZD
  • GFB Mach 2 TMS Recirculating Diverter Valve Direct Fitment - 01-07 WRX ,02 + STi, 05-08 XT Forester

    GFB Mach 2 TMS Recirculating Diverter Valve Direct Fitment - 01-07 WRX ,02 + STi, 05-08 XT Forester

    Go Fast Bits
    $319.00 NZD

    THE SIMPLE & ESSENTIAL MOD FOR 30% QUICKER BOOST Utilising Proven Tms Technology To Ensure Dependable Boost Holding And Optimum Throttle Respon...

    View full details
    $319.00 NZD
  • GFB Mach 2 TMS Recirculating Diverter Valve Direct Fitment - 08+ WRX, 03-09 GT Legacy, 09+ XT Forester

    GFB Mach 2 TMS Recirculating Diverter Valve Direct Fitment - 08+ WRX, 03-09 GT Legacy, 09+ XT Forester

    Go Fast Bits
    $319.00 NZD

    THE SIMPLE & ESSENTIAL MOD FOR 30% QUICKER BOOST Utilising Proven Tms Technology To Ensure Dependable Boost Holding And Optimum Throttle Respon...

    View full details
    $319.00 NZD
  • GFB Mach 2 TMS Recirculating Diverter Valve Direct Fitment - 99-00 WRX/STi , B4 Legacy, 98-04 GT/XT Forester

    GFB Mach 2 TMS Recirculating Diverter Valve Direct Fitment - 99-00 WRX/STi , B4 Legacy, 98-04 GT/XT Forester

    Go Fast Bits
    $319.00 NZD

    THE SIMPLE & ESSENTIAL MOD FOR 30% QUICKER BOOST Utilising Proven Tms Technology To Ensure Dependable Boost Holding And Optimum Throttle Respon...

    View full details
    $319.00 NZD
  • GFB Mach 2 TMS Recirculating Diverter Valve Direct Fitment - Silvia/200SX S14, S15

    GFB Mach 2 TMS Recirculating Diverter Valve Direct Fitment - Silvia/200SX S14, S15

    Go Fast Bits
    $319.00 NZD

    THE SIMPLE & ESSENTIAL MOD FOR 30% QUICKER BOOST Utilising Proven Tms Technology To Ensure Dependable Boost Holding And Optimum Throttle Respon...

    View full details
    $319.00 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

    Go Fast Bits
    $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%...

    View full details
    $319.00 NZD
  • GFB Mach 2 Universal Blow Off Valve-Blow Off Valves-Speed Science

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

    Go Fast Bits
    $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...

    View full details
    $319.00 NZD
  • GFB MACH 2 Valve - Recir 2015-on WRX/ Forester - Not for STi

    GFB MACH 2 Valve - Recir 2015-on WRX/ Forester - Not for STi

    Go Fast Bits
    $319.00 NZD

    NEW MACH 2: ENTRY LEVEL TMS THE SIMPLE & ESSENTIAL MOD FOR 30% QUICKER BOOST Utilising Proven Tms Technology To Ensure Dependable Boost Holding...

    View full details
    $319.00 NZD
  • GFB MACH 2 Valve - Recirc 20mm inlet, 20mm outlet

    GFB MACH 2 Valve - Recirc 20mm inlet, 20mm outlet

    Go Fast Bits
    $319.00 NZD

    NEW MACH 2: ENTRY LEVEL TMS THE SIMPLE & ESSENTIAL MOD FOR 30% QUICKER BOOST Utilising Proven Tms Technology To Ensure Dependable Boost Holding...

    View full details
    $319.00 NZD
  • GFB MACH 2 Valve x2 - Recirc GT-R R35 - 2 valves included

    GFB MACH 2 Valve x2 - Recirc GT-R R35 - 2 valves included

    Go Fast Bits
    $610.00 NZD

    NEW MACH 2: ENTRY LEVEL TMS THE SIMPLE & ESSENTIAL MOD FOR 30% QUICKER BOOST Utilising Proven Tms Technology To Ensure Dependable Boost Holding...

    View full details
    $610.00 NZD
  • GFB Recirc Hose Plugs

    GFB Recirc Hose Plugs

    Go Fast Bits
    $39.00 NZD

    This 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 details
    $39.00 NZD
  • GFB RESPONS TMS  - 2 Valve Kit - Kia Stinger

    GFB RESPONS TMS - 2 Valve Kit - Kia Stinger

    Go Fast Bits
    $825.00 NZD

    ALL 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 details
    $825.00 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

    Go Fast Bits
    $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...

    View full details
    $429.00 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

    Go Fast Bits
    $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...

    View full details
    $429.00 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

    Go Fast Bits
    $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...

    View full details
    $429.00 NZD
  • GFB RESPONS TMS (GT-R R35 - 2 valves included)-Blow Off Valves-Speed Science

    GFB RESPONS TMS - R35 GT-R - 2 valves included

    Go Fast Bits
    $825.00 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...

    View full details
    $825.00 NZD
  • GFB RESPONS TMS (Silvia/200SX S14-15)-Blow Off Valves-Speed Science

    GFB RESPONS TMS - Silvia/200SX S14, S15

    Go Fast Bits
    $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...

    View full details
    $429.00 NZD
  • 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

    Go Fast Bits
    $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...

    View full details
    $429.00 NZD
  • GFB RESPONS TMS (20mm inlet, 20mm outlet)-Blow Off Valves-Speed Science

    GFB RESPONS TMS 20mm inlet, 20mm outlet

    Go Fast Bits
    $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 ve...

    View full details
    $429.00 NZD
  • GFB RESPONS TMS (25mm inlet, 25mm outlet - suits Bosch replacement)-Blow Off Valves-Speed Science

    GFB RESPONS TMS 25mm inlet, 25mm outlet - suits Bosch replacement

    Go Fast Bits
    $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...

    View full details
    $429.00 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

    Go Fast Bits
    $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...

    View full details
    $429.00 NZD
  • GFB RESPONS TMS (35mm inlet, 30mm outlet - suits MY97-98 WRX/STi)-Blow Off Valves-Speed Science

    GFB RESPONS TMS 35mm inlet, 30mm outlet - 97-98 WRX/STi

    Go Fast Bits
    $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 ve...

    View full details
    $429.00 NZD
  • GFB RESPONS TMS-  MY15 on WRX- Not STI

    GFB RESPONS TMS- MY15 on WRX- Not STI

    Go Fast Bits
    $429.00 NZD

    RESPONS 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 details
    $429.00 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)

    Go Fast Bits
    $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...

    View full details
    $28.90 NZD
  • GFB Soft spring - Mach 2, Respons TMS, and Deceptor Pro II valves

    GFB Soft spring - Mach 2, Respons TMS, and Deceptor Pro II valves

    Go Fast Bits
    $29.90 NZD

    Fits 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 details
    $29.90 NZD
  • GFB Spring Tension Adjusting Bolt

    Go Fast Bits
    $15.00 NZD

    GFB Spring Tension Adjusting Bolt

    $15.00 NZD
  • GFB Standard Spring

    GFB Standard Spring

    Go Fast Bits
    $29.90 NZD

    This 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 details
    $29.90 NZD
  • GFB SV52 - High Capacity Racing Dump Valve

    GFB SV52 - High Capacity Racing Dump Valve

    Go Fast Bits
    $439.00 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...

    View full details
    $439.00 NZD
  • GFB VTA - Focus RS

    GFB VTA - Focus RS

    Go Fast Bits
    $309.00 NZD

    If 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 details
    $309.00 NZD
  • GFB VTA - Focus ST

    GFB VTA - Focus ST

    Go Fast Bits
    $309.00 NZD

    If 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 details
    $309.00 NZD
  • GFB VTA - Ford Mustang

    GFB VTA - Ford Mustang

    Go Fast Bits
    $309.00 NZD

    VTA 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 details
    $309.00 NZD
  • GFB VTA - Late model Audi, VW, Skoda & Seat 1.2 & 1.4TSI

    GFB VTA - Late model Audi, VW, Skoda & Seat 1.2 & 1.4TSI

    Go Fast Bits
    $329.00 NZD

    VTA 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 details
    $329.00 NZD
  • GFB VTA - MK5/6 Golf, Audi

    GFB VTA - MK5/6 Golf, Audi

    Go Fast Bits
    $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...

    View full details
    $319.00 NZD
  • GFB Whistling Trumpet-Blow Off Valves-Speed Science

    GFB Whistling Trumpet

    Go Fast Bits
    $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...

    View full details
    $54.90 NZD
  • GReddy FV Blow Off Valve Attachment ONLY 19mm
    Save 5%

    GReddy FV Blow Off Valve Attachment ONLY 19mm

    GReddy
    Original Price $44.28 NZD
    Current Price $42.06 NZD

    The 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 details
    Original Price $44.28 NZD
    Current Price $42.06 NZD
    Save 5%
  • GReddy Replacement Diaphram for Type RS Blow Off Valve
    Save 5%

    GReddy Replacement Diaphram for Type RS Blow Off Valve

    GReddy
    Original Price $161.00 NZD
    Current Price $152.95 NZD

    GReddy Replacement Diaphram for Type RS Blow Off Valve

    Original Price $161.00 NZD
    Current Price $152.95 NZD
    Save 5%