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  • GFB Mach 2 TMS Recirculating Diverter Valve - 2017+ Kia Stinger 3.3T V6 (2 Valves Included)

    Go Fast Bits
    Original price $ 427.50
    Original price $ 427.50 - Original price $ 427.50
    Original price $ 427.50
    Current price
    $ 384.75
    $ 384.75 - $ 384.75
    Current price
    $ 384.75
    Low stock

    ALL THE PERFORMANCE WITH OR WITHOUT THE NOISE!, GFB's Mach 2 utilises GFB's proven TMS Technology to ensure rapid boost recovery on gearshift and o...

    View full details
    Original price $ 427.50
    Original price $ 427.50 - Original price $ 427.50
    Original price $ 427.50
    Current price
    $ 384.75
    $ 384.75 - $ 384.75
    Current price
    $ 384.75
    Save $ 42.75 Save $ 0.00
  • GFB Mach 2 TMS Recirculating Diverter Valve - 20mm Inlet/20mm Outlet

    Go Fast Bits
    Original price $ 200.50
    Original price $ 200.50 - Original price $ 200.50
    Original price $ 200.50
    Current price
    $ 180.45
    $ 180.45 - $ 180.45
    Current price
    $ 180.45
    In stock

    ALL THE PERFORMANCE WITH OR WITHOUT THE NOISE!, GFB's Mach 2 utilises GFB's proven TMS Technology to ensure rapid boost recovery on gearshift and o...

    View full details
    Original price $ 200.50
    Original price $ 200.50 - Original price $ 200.50
    Original price $ 200.50
    Current price
    $ 180.45
    $ 180.45 - $ 180.45
    Current price
    $ 180.45
    Save $ 20.05 Save $ 0.00
  • GFB Mach 2 TMS Recirculating Diverter Valve - 25mm Inlet/25mm Outlet

    Go Fast Bits
    Original price $ 200.50
    Original price $ 200.50 - Original price $ 200.50
    Original price $ 200.50
    Current price
    $ 180.45
    $ 180.45 - $ 180.45
    Current price
    $ 180.45
    Low stock

    ALL THE PERFORMANCE WITH OR WITHOUT THE NOISE!, GFB's Mach 2 utilises GFB's proven TMS Technology to ensure rapid boost recovery on gearshift and o...

    View full details
    Original price $ 200.50
    Original price $ 200.50 - Original price $ 200.50
    Original price $ 200.50
    Current price
    $ 180.45
    $ 180.45 - $ 180.45
    Current price
    $ 180.45
    Save $ 20.05 Save $ 0.00
  • GFB Mach 2 TMS Recirculating Diverter Valve - 33mm Inlet/33mm Outlet (suits Mitsubishi EVO I-X)

    Go Fast Bits
    Original price $ 200.50
    Original price $ 200.50 - Original price $ 200.50
    Original price $ 200.50
    Current price
    $ 180.45
    $ 180.45 - $ 180.45
    Current price
    $ 180.45
    Low stock

    ALL THE PERFORMANCE WITH OR WITHOUT THE NOISE!, GFB's Mach 2 utilises GFB's proven TMS Technology to ensure rapid boost recovery on gearshift and o...

    View full details
    Original price $ 200.50
    Original price $ 200.50 - Original price $ 200.50
    Original price $ 200.50
    Current price
    $ 180.45
    $ 180.45 - $ 180.45
    Current price
    $ 180.45
    Save $ 20.05 Save $ 0.00
  • GFB Mach 2 TMS Recirculating Diverter Valve - 35mm Inlet/30mm Outlet (suits 97-98 Subaru WRX/STi)

    Go Fast Bits
    Original price $ 200.50
    Original price $ 200.50 - Original price $ 200.50
    Original price $ 200.50
    Current price
    $ 180.45
    $ 180.45 - $ 180.45
    Current price
    $ 180.45
    In stock

    ALL THE PERFORMANCE WITH OR WITHOUT THE NOISE!, GFB's Mach 2 utilises GFB's proven TMS Technology to ensure rapid boost recovery on gearshift and o...

    View full details
    Original price $ 200.50
    Original price $ 200.50 - Original price $ 200.50
    Original price $ 200.50
    Current price
    $ 180.45
    $ 180.45 - $ 180.45
    Current price
    $ 180.45
    Save $ 20.05 Save $ 0.00
  • GFB Mach 2 TMS Recirculating Diverter Valve - Subaru 01-07 WRX / 02+ STi / 05-08 XT Forester

    Go Fast Bits
    Original price $ 221.00
    Original price $ 221.00 - Original price $ 221.00
    Original price $ 221.00
    Current price
    $ 198.90
    $ 198.90 - $ 198.90
    Current price
    $ 198.90
    Low stock

    ALL THE PERFORMANCE WITH OR WITHOUT THE NOISE!, GFB's Mach 2 utilises GFB's proven TMS Technology to ensure rapid boost recovery on gearshift and o...

    View full details
    Original price $ 221.00
    Original price $ 221.00 - Original price $ 221.00
    Original price $ 221.00
    Current price
    $ 198.90
    $ 198.90 - $ 198.90
    Current price
    $ 198.90
    Save $ 22.10 Save $ 0.00
  • GFB Mach 2 TMS Recirculating Diverter Valve - Subaru 08+ WRX / 03-09 GT Legacy / 09-12 XT Forester

    Go Fast Bits
    Original price $ 221.00
    Original price $ 221.00 - Original price $ 221.00
    Original price $ 221.00
    Current price
    $ 198.90
    $ 198.90 - $ 198.90
    Current price
    $ 198.90
    Low stock

    ALL THE PERFORMANCE WITH OR WITHOUT THE NOISE!, GFB's Mach 2 utilises GFB's proven TMS Technology to ensure rapid boost recovery on gearshift and o...

    View full details
    Original price $ 221.00
    Original price $ 221.00 - Original price $ 221.00
    Original price $ 221.00
    Current price
    $ 198.90
    $ 198.90 - $ 198.90
    Current price
    $ 198.90
    Save $ 22.10 Save $ 0.00
  • GFB Mach 2 TMS Recirculating Diverter Valve - Subaru 2015+ WRX/Forester

    Go Fast Bits
    Original price $ 200.50
    Original price $ 200.50 - Original price $ 200.50
    Original price $ 200.50
    Current price
    $ 180.45
    $ 180.45 - $ 180.45
    Current price
    $ 180.45
    In stock

    ALL THE PERFORMANCE WITH OR WITHOUT THE NOISE!, GFB's Mach 2 utilises GFB's proven TMS Technology to ensure rapid boost recovery on gearshift and o...

    View full details
    Original price $ 200.50
    Original price $ 200.50 - Original price $ 200.50
    Original price $ 200.50
    Current price
    $ 180.45
    $ 180.45 - $ 180.45
    Current price
    $ 180.45
    Save $ 20.05 Save $ 0.00
  • GFB Mach 2 TMS Recirculating Diverter Valve - Subaru 99-00 WRX/STi/B4 Legacy / 98-04 GT/XT Forester

    Go Fast Bits
    Original price $ 221.00
    Original price $ 221.00 - Original price $ 221.00
    Original price $ 221.00
    Current price
    $ 198.90
    $ 198.90 - $ 198.90
    Current price
    $ 198.90
    Low stock

    ALL THE PERFORMANCE WITH OR WITHOUT THE NOISE!, GFB's Mach 2 utilises GFB's proven TMS Technology to ensure rapid boost recovery on gearshift and o...

    View full details
    Original price $ 221.00
    Original price $ 221.00 - Original price $ 221.00
    Original price $ 221.00
    Current price
    $ 198.90
    $ 198.90 - $ 198.90
    Current price
    $ 198.90
    Save $ 22.10 Save $ 0.00
  • GFB Mach 2 TMS Recirculating Diverter Valves - Nissan GT-R (R35) 2 Valves Included

    Go Fast Bits
    Original price $ 427.50
    Original price $ 427.50 - Original price $ 427.50
    Original price $ 427.50
    Current price
    $ 384.75
    $ 384.75 - $ 384.75
    Current price
    $ 384.75
    Low stock

    ALL THE PERFORMANCE WITH OR WITHOUT THE NOISE!, GFB's Mach 2 utilises GFB's proven TMS Technology to ensure rapid boost recovery on gearshift and o...

    View full details
    Original price $ 427.50
    Original price $ 427.50 - Original price $ 427.50
    Original price $ 427.50
    Current price
    $ 384.75
    $ 384.75 - $ 384.75
    Current price
    $ 384.75
    Save $ 42.75 Save $ 0.00
  • GFB Mazda 3/6/MPS/CX-7 / Nissan Skyline GTS-T R32-34 Mach 2 TMS Recirculating Diverter Valve

    Go Fast Bits
    Original price $ 221.00
    Original price $ 221.00 - Original price $ 221.00
    Original price $ 221.00
    Current price
    $ 198.90
    $ 198.90 - $ 198.90
    Current price
    $ 198.90
    Low stock

    ALL THE PERFORMANCE WITH OR WITHOUT THE NOISE!, GFB's Mach 2 utilises GFB's proven TMS Technology to ensure rapid boost recovery on gearshift and o...

    View full details
    Original price $ 221.00
    Original price $ 221.00 - Original price $ 221.00
    Original price $ 221.00
    Current price
    $ 198.90
    $ 198.90 - $ 198.90
    Current price
    $ 198.90
    Save $ 22.10 Save $ 0.00
  • GFB Mitsubishi Evo 1-10 TMS Respons Blow Off Valve Kit

    Go Fast Bits
    Original price $ 356.50
    Original price $ 356.50 - Original price $ 356.50
    Original price $ 356.50
    Current price
    $ 320.85
    $ 320.85 - $ 320.85
    Current price
    $ 320.85
    Low stock

    If cars like yours typically suffer issues such as backfiring and stalling when using a fixed-ratio atmosphere-venting BOV, the Respons can help. B...

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    Original price $ 356.50
    Original price $ 356.50 - Original price $ 356.50
    Original price $ 356.50
    Current price
    $ 320.85
    $ 320.85 - $ 320.85
    Current price
    $ 320.85
    Save $ 35.65 Save $ 0.00
  • GFB Mitsubishi EVO4-8 Internal Wastegate Actuator

    Go Fast Bits
    Original price $ 232.50
    Original price $ 232.50 - Original price $ 232.50
    Original price $ 232.50
    Current price
    $ 209.25
    $ 209.25 - $ 209.25
    Current price
    $ 209.25
    In stock

    Massive Performance, Compact Size.• Industry-first diaphragm design - the WGA’s Silicone/Nomex diaphragm uses a new bead retention design that achi...

    View full details
    Original price $ 232.50
    Original price $ 232.50 - Original price $ 232.50
    Original price $ 232.50
    Current price
    $ 209.25
    $ 209.25 - $ 209.25
    Current price
    $ 209.25
    Save $ 23.25 Save $ 0.00
  • GFB Mitsubishi TD04 Internal Wastegate Actuator

    Go Fast Bits
    Original price $ 232.50
    Original price $ 232.50 - Original price $ 232.50
    Original price $ 232.50
    Current price
    $ 209.25
    $ 209.25 - $ 209.25
    Current price
    $ 209.25
    Low stock

    Massive Performance, Compact Size.• Industry-first diaphragm design - the WGA’s Silicone/Nomex diaphragm uses a new bead retention design that achi...

    View full details
    Original price $ 232.50
    Original price $ 232.50 - Original price $ 232.50
    Original price $ 232.50
    Current price
    $ 209.25
    $ 209.25 - $ 209.25
    Current price
    $ 209.25
    Save $ 23.25 Save $ 0.00
  • GFB Nissan Skyline (GTS-T) Deceptor Pro II - Blow Off Valve Venting Bias Kit

    Go Fast Bits
    Original price $ 525.20
    Original price $ 525.20 - Original price $ 525.20
    Original price $ 525.20
    Current price
    $ 472.68
    $ 472.68 - $ 472.68
    Current price
    $ 472.68
    In stock

    Control the sound of your BOV "ON-THE-FLY" Go on, admit it. There are times you wish you could have that signature turbo blow off sound, but you're...

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    Original price $ 525.20
    Original price $ 525.20 - Original price $ 525.20
    Original price $ 525.20
    Current price
    $ 472.68
    $ 472.68 - $ 472.68
    Current price
    $ 472.68
    Save $ 52.52 Save $ 0.00
  • GFB Plunger Spring for DV Valve

    Go Fast Bits
    Original price $ 10.50
    Original price $ 10.50 - Original price $ 10.50
    Original price $ 10.50
    Current price
    $ 9.45
    $ 9.45 - $ 9.45
    Current price
    $ 9.45
    Low stock

    DV+ Replacement Plunger Spring Fits DV+ ( valves from T9351-T9359)

    Original price $ 10.50
    Original price $ 10.50 - Original price $ 10.50
    Original price $ 10.50
    Current price
    $ 9.45
    $ 9.45 - $ 9.45
    Current price
    $ 9.45
    Save $ 1.05 Save $ 0.00
  • GFB Polaris RZR Turbo SXV Recirculating Bypass Valve

    Go Fast Bits
    Original price $ 198.00
    Original price $ 198.00 - Original price $ 198.00
    Original price $ 198.00
    Current price
    $ 178.20
    $ 178.20 - $ 178.20
    Current price
    $ 178.20
    Low stock

    The factory diverter valve on Polaris SxS models is made from plastic with a rubber diaphragm. It is known to rupture and cause significant boost l...

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    Original price $ 198.00
    Original price $ 198.00 - Original price $ 198.00
    Original price $ 198.00
    Current price
    $ 178.20
    $ 178.20 - $ 178.20
    Current price
    $ 178.20
    Save $ 19.80 Save $ 0.00
  • GFB Screw-In Plug (screws into any GFB Trumpet or plumb-back outlet. Valves manufactured before 2003

    Go Fast Bits
    Original price $ 15.90
    Original price $ 15.90 - Original price $ 15.90
    Original price $ 15.90
    Current price
    $ 14.31
    $ 14.31 - $ 14.31
    Current price
    $ 14.31
    Low stock

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

    Original price $ 15.90
    Original price $ 15.90 - Original price $ 15.90
    Original price $ 15.90
    Current price
    $ 14.31
    $ 14.31 - $ 14.31
    Current price
    $ 14.31
    Save $ 1.59 Save $ 0.00
  • GFB Standard Replacement DV+ Plunger

    Go Fast Bits
    Original price $ 12.30
    Original price $ 12.30 - Original price $ 12.30
    Original price $ 12.30
    Current price
    $ 11.07
    $ 11.07 - $ 11.07
    Current price
    $ 11.07
    Low stock

    GFB Standard Replacement DV+ Plunger

    Original price $ 12.30
    Original price $ 12.30 - Original price $ 12.30
    Original price $ 12.30
    Current price
    $ 11.07
    $ 11.07 - $ 11.07
    Current price
    $ 11.07
    Save $ 1.23 Save $ 0.00
  • GFB Standard Replacement Trumpet

    Go Fast Bits
    Original price $ 45.00
    Original price $ 45.00 - Original price $ 45.00
    Original price $ 45.00
    Current price
    $ 40.50
    $ 40.50 - $ 40.50
    Current price
    $ 40.50
    Low stock

    GFB Standard Replacement Trumpet

    Original price $ 45.00
    Original price $ 45.00 - Original price $ 45.00
    Original price $ 45.00
    Current price
    $ 40.50
    $ 40.50 - $ 40.50
    Current price
    $ 40.50
    Save $ 4.50 Save $ 0.00
  • GFB Standard Spring (used in all valves except 1002)

    Go Fast Bits
    Original price $ 15.80
    Original price $ 15.80 - Original price $ 15.80
    Original price $ 15.80
    Current price
    $ 14.22
    $ 14.22 - $ 14.22
    Current price
    $ 14.22
    In stock

    Standard Spring (used in all atmosphere venting valves, Respons, Deceptor Pro and atmosphere Mach 2)

    Original price $ 15.80
    Original price $ 15.80 - Original price $ 15.80
    Original price $ 15.80
    Current price
    $ 14.22
    $ 14.22 - $ 14.22
    Current price
    $ 14.22
    Save $ 1.58 Save $ 0.00
  • GFB SV52 High Flow BOV - Rated at Over 300psi (Suits All High Powered Turbo or Supercharged Engines)

    Go Fast Bits
    Original price $ 328.50
    Original price $ 328.50 - Original price $ 328.50
    Original price $ 328.50
    Current price
    $ 295.65
    $ 295.65 - $ 295.65
    Current price
    $ 295.65
    In stock

    Strength and reliability is the primary factor, something that a diaphragm simply cannot match in a high-boost BOV environment. Diaphragms have the...

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    Original price $ 328.50
    Original price $ 328.50 - Original price $ 328.50
    Original price $ 328.50
    Current price
    $ 295.65
    $ 295.65 - $ 295.65
    Current price
    $ 295.65
    Save $ 32.85 Save $ 0.00
  • GFB Universal Atmospheric Trumpet w/Filter Mount

    Go Fast Bits
    Original price $ 44.90
    Original price $ 44.90 - Original price $ 44.90
    Original price $ 44.90
    Current price
    $ 40.41
    $ 40.41 - $ 40.41
    Current price
    $ 40.41
    In stock

    GFB Universal Atmospheric Trumpet w/Filter Mount

    Original price $ 44.90
    Original price $ 44.90 - Original price $ 44.90
    Original price $ 44.90
    Current price
    $ 40.41
    $ 40.41 - $ 40.41
    Current price
    $ 40.41
    Save $ 4.49 Save $ 0.00
  • GFB Universal Weld On Hybrid TMS Dual Outlet Valve

    Go Fast Bits
    Original price $ 260.90
    Original price $ 260.90 - Original price $ 260.90
    Original price $ 260.90
    Current price
    $ 234.81
    $ 234.81 - $ 234.81
    Current price
    $ 234.81
    In stock

    GFB Universal Weld On Hybrid TMS Dual Outlet Valve

    Original price $ 260.90
    Original price $ 260.90 - Original price $ 260.90
    Original price $ 260.90
    Current price
    $ 234.81
    $ 234.81 - $ 234.81
    Current price
    $ 234.81
    Save $ 26.09 Save $ 0.00