Skip to content
🏁 Memorial Day Sale: Up to 25% Off Select Brands | Shop Now 🏎️
🏁 Memorial Day Sale: Up to 25% Off Select Brands | Shop Now 🏎️

Not CARB Legal

Filters

  • Save $ 35.65 Save $ 0.00

    GFB Hyundai-Kia 2.5T TMS Respons Blow Off Valve Kit

    Go Fast Bits
    $ 356.50
    $ 356.50 - $ 356.50
    $ 356.50
    $ 320.85
    $ 320.85 - $ 320.85
    $ 320.85
    Low stock

    Smart stream I20N, I30 Sedan N-Line, Kona N-Line, Sonata N-Line, and Stinger 2.5T.This Part Fits: Year Make Model Submodel 2021-2022 Hyundai Ela...

    View full details
    $ 356.50
    $ 356.50 - $ 356.50
    $ 356.50
    $ 320.85
    $ 320.85 - $ 320.85
    $ 320.85
    Save $ 35.65 Save $ 0.00
  • Save $ 54.20 Save $ 0.00

    GFB 2017+ Kia Stinger 3.3T V6 Respons Blow Off Valve Kit (Mach 2 and Respons Valves Included)

    Go Fast Bits
    $ 542.00
    $ 542.00 - $ 542.00
    $ 542.00
    $ 487.80
    $ 487.80 - $ 487.80
    $ 487.80
    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...

    View full details
    $ 542.00
    $ 542.00 - $ 542.00
    $ 542.00
    $ 487.80
    $ 487.80 - $ 487.80
    $ 487.80
    Save $ 54.20 Save $ 0.00
  • Save $ 35.65 Save $ 0.00

    GFB 19+ Hyundai Veloster 1.6 GDI Turbo / 16+ i30 SR 1.6T-GDI TMS Respons Direct Fit Blow Off Valve

    Go Fast Bits
    $ 356.50
    $ 356.50 - $ 356.50
    $ 356.50
    $ 320.85
    $ 320.85 - $ 320.85
    $ 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...

    View full details
    $ 356.50
    $ 356.50 - $ 356.50
    $ 356.50
    $ 320.85
    $ 320.85 - $ 320.85
    $ 320.85
    Save $ 35.65 Save $ 0.00
  • Save $ 35.65 Save $ 0.00

    GFB 2017+ Hyundai i30N 2.0T TMS Respons Blow Off Valve Kit

    Go Fast Bits
    $ 356.50
    $ 356.50 - $ 356.50
    $ 356.50
    $ 320.85
    $ 320.85 - $ 320.85
    $ 320.85
    In 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...

    View full details
    $ 356.50
    $ 356.50 - $ 356.50
    $ 356.50
    $ 320.85
    $ 320.85 - $ 320.85
    $ 320.85
    Save $ 35.65 Save $ 0.00
  • Save $ 35.65 Save $ 0.00

    GFB 15+ Subaru WRX 2.0L (FA20DIT) AWD Sedan TMS Respons Blow Off Valve Kit

    Go Fast Bits
    $ 356.50
    $ 356.50 - $ 356.50
    $ 356.50
    $ 320.85
    $ 320.85 - $ 320.85
    $ 320.85
    In 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...

    View full details
    $ 356.50
    $ 356.50 - $ 356.50
    $ 356.50
    $ 320.85
    $ 320.85 - $ 320.85
    $ 320.85
    Save $ 35.65 Save $ 0.00
  • Save $ 35.65 Save $ 0.00

    GFB 11-14 Nissan JUKE 1.6L Turbo TMS Respons Blow Off Valve Kit

    Go Fast Bits
    $ 356.50
    $ 356.50 - $ 356.50
    $ 356.50
    $ 320.85
    $ 320.85 - $ 320.85
    $ 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...

    View full details
    $ 356.50
    $ 356.50 - $ 356.50
    $ 356.50
    $ 320.85
    $ 320.85 - $ 320.85
    $ 320.85
    Save $ 35.65 Save $ 0.00
  • Save $ 67.75 Save $ 0.00

    GFB 09+ Nissan GTR TMS Respons Twin Valve Blow Off Valve Kit

    Go Fast Bits
    $ 677.50
    $ 677.50 - $ 677.50
    $ 677.50
    $ 609.75
    $ 609.75 - $ 609.75
    $ 609.75
    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...

    View full details
    $ 677.50
    $ 677.50 - $ 677.50
    $ 677.50
    $ 609.75
    $ 609.75 - $ 609.75
    $ 609.75
    Save $ 67.75 Save $ 0.00
  • Save $ 35.65 Save $ 0.00

    GFB 02-07 WRX / 04-10 STI TMS Respons Blow Off Valve Kit

    Go Fast Bits
    $ 356.50
    $ 356.50 - $ 356.50
    $ 356.50
    $ 320.85
    $ 320.85 - $ 320.85
    $ 320.85
    In 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...

    View full details
    $ 356.50
    $ 356.50 - $ 356.50
    $ 356.50
    $ 320.85
    $ 320.85 - $ 320.85
    $ 320.85
    Save $ 35.65 Save $ 0.00
  • Save $ 35.65 Save $ 0.00

    GFB 08-10+ WRX / 05-09 LGT TMS Respons Blow Off Valve Kit

    Go Fast Bits
    $ 356.50
    $ 356.50 - $ 356.50
    $ 356.50
    $ 320.85
    $ 320.85 - $ 320.85
    $ 320.85
    In 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...

    View full details
    $ 356.50
    $ 356.50 - $ 356.50
    $ 356.50
    $ 320.85
    $ 320.85 - $ 320.85
    $ 320.85
    Save $ 35.65 Save $ 0.00
  • Save $ 35.65 Save $ 0.00

    GFB 99-00 WRX/STI TMS Respons Blow Off Valve Kit

    Go Fast Bits
    $ 356.50
    $ 356.50 - $ 356.50
    $ 356.50
    $ 320.85
    $ 320.85 - $ 320.85
    $ 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...

    View full details
    $ 356.50
    $ 356.50 - $ 356.50
    $ 356.50
    $ 320.85
    $ 320.85 - $ 320.85
    $ 320.85
    Save $ 35.65 Save $ 0.00
  • Save $ 32.82 Save $ 0.00

    GFB FX-D Fuel Pressure Regulator (AN Fittings Not Included)

    Go Fast Bits
    $ 328.23
    $ 328.23 - $ 328.23
    $ 328.23
    $ 295.41
    $ 295.41 - $ 295.41
    $ 295.41
    In stock

    The two inlet ports can be used for single or dual rails, and the two gauge ports allow the use, of both a mechanical gauge and electronic pressure...

    View full details
    $ 328.23
    $ 328.23 - $ 328.23
    $ 328.23
    $ 295.41
    $ 295.41 - $ 295.41
    $ 295.41
    Save $ 32.82 Save $ 0.00
  • Save $ 31.16 Save $ 0.00

    GFB FX-R (Race) Fuel Pressure Regulator - Up To 1500hp

    Go Fast Bits
    $ 311.56
    $ 311.56 - $ 311.56
    $ 311.56
    $ 280.40
    $ 280.40 - $ 280.40
    $ 280.40
    In stock

    The two inlet ports can be used for single or dual rails, and the two gauge ports allow the use, of both a mechanical gauge and electronic pressure...

    View full details
    $ 311.56
    $ 311.56 - $ 311.56
    $ 311.56
    $ 280.40
    $ 280.40 - $ 280.40
    $ 280.40
    Save $ 31.16 Save $ 0.00
  • Save $ 25.55 Save $ 0.00

    GFB FX-S Bosch Fuel Pressure Regulator

    Go Fast Bits
    $ 255.50
    $ 255.50 - $ 255.50
    $ 255.50
    $ 229.95
    $ 229.95 - $ 229.95
    $ 229.95
    In stock

    If you increase the performance of your engine, you need to ensure your fuel system can deliver the goods or you're going to have a bad day! Upgrad...

    View full details
    $ 255.50
    $ 255.50 - $ 255.50
    $ 255.50
    $ 229.95
    $ 229.95 - $ 229.95
    $ 229.95
    Save $ 25.55 Save $ 0.00
  • Save $ 25.55 Save $ 0.00

    GFB FX-S (Street) Fuel Pressure Regulator - Up To 800hp

    Go Fast Bits
    $ 255.50
    $ 255.50 - $ 255.50
    $ 255.50
    $ 229.95
    $ 229.95 - $ 229.95
    $ 229.95
    In stock

    Internally, like all GFB products you'll find unique features and small touches that make the difference between a good product, and a great one. F...

    View full details
    $ 255.50
    $ 255.50 - $ 255.50
    $ 255.50
    $ 229.95
    $ 229.95 - $ 229.95
    $ 229.95
    Save $ 25.55 Save $ 0.00
  • Save $ 23.25 Save $ 0.00

    GFB Mitsubishi TD04 Internal Wastegate Actuator

    Go Fast Bits
    $ 232.50
    $ 232.50 - $ 232.50
    $ 232.50
    $ 209.25
    $ 209.25 - $ 209.25
    $ 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
    $ 232.50
    $ 232.50 - $ 232.50
    $ 232.50
    $ 209.25
    $ 209.25 - $ 209.25
    $ 209.25
    Save $ 23.25 Save $ 0.00
  • Save $ 23.25 Save $ 0.00

    GFB Mitsubishi EVO4-8 Internal Wastegate Actuator

    Go Fast Bits
    $ 232.50
    $ 232.50 - $ 232.50
    $ 232.50
    $ 209.25
    $ 209.25 - $ 209.25
    $ 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
    $ 232.50
    $ 232.50 - $ 232.50
    $ 232.50
    $ 209.25
    $ 209.25 - $ 209.25
    $ 209.25
    Save $ 23.25 Save $ 0.00
  • Save $ 1.58 Save $ 0.00

    GFB Gasket for Response BOV (For gfbT9003 & gfbT9503)

    Go Fast Bits
    $ 15.80
    $ 15.80 - $ 15.80
    $ 15.80
    $ 14.22
    $ 14.22 - $ 14.22
    $ 14.22
    Low stock

    The older valves used gaskets, the newer types have a o ring in the flange and therefore a replacement gasket will not be required.

    $ 15.80
    $ 15.80 - $ 15.80
    $ 15.80
    $ 14.22
    $ 14.22 - $ 14.22
    $ 14.22
    Save $ 1.58 Save $ 0.00
  • Save $ 1.58 Save $ 0.00

    GFB Gasket for Response BOV (For gfbT9001, gfbT9002, gfbT9501, gfbT9502)

    Go Fast Bits
    $ 15.80
    $ 15.80 - $ 15.80
    $ 15.80
    $ 14.22
    $ 14.22 - $ 14.22
    $ 14.22
    In stock

    The older valves used gaskets, the newer types have a o ring in the flange and therefore a replacement gasket will not be required.

    $ 15.80
    $ 15.80 - $ 15.80
    $ 15.80
    $ 14.22
    $ 14.22 - $ 14.22
    $ 14.22
    Save $ 1.58 Save $ 0.00
  • Save $ 1.23 Save $ 0.00

    GFB Standard Replacement DV+ Plunger

    Go Fast Bits
    $ 12.30
    $ 12.30 - $ 12.30
    $ 12.30
    $ 11.07
    $ 11.07 - $ 11.07
    $ 11.07
    Low stock

    GFB Standard Replacement DV+ Plunger

    $ 12.30
    $ 12.30 - $ 12.30
    $ 12.30
    $ 11.07
    $ 11.07 - $ 11.07
    $ 11.07
    Save $ 1.23 Save $ 0.00
  • Save $ 1.59 Save $ 0.00

    GFB Screw-In Plug (screws into any GFB Trumpet or plumb-back outlet. Valves manufactured before 2003

    Go Fast Bits
    $ 15.90
    $ 15.90 - $ 15.90
    $ 15.90
    $ 14.31
    $ 14.31 - $ 14.31
    $ 14.31
    Low stock

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

    $ 15.90
    $ 15.90 - $ 15.90
    $ 15.90
    $ 14.31
    $ 14.31 - $ 14.31
    $ 14.31
    Save $ 1.59 Save $ 0.00
  • Save $ 4.40 Save $ 0.00

    GFB Mach 2 Atmosphere Conversion Kit-Changes T9103 or T9133 from Recir to Atmosphere

    Go Fast Bits
    $ 44.00
    $ 44.00 - $ 44.00
    $ 44.00
    $ 39.60
    $ 39.60 - $ 39.60
    $ 39.60
    Low stock

    Mach 2 Atmosphere upgrade kit to convert mach 2 from recirculting to atmosphere venting BOV. Consisting of trumpet, spring and plug.

    $ 44.00
    $ 44.00 - $ 44.00
    $ 44.00
    $ 39.60
    $ 39.60 - $ 39.60
    $ 39.60
    Save $ 4.40 Save $ 0.00
  • Save $ 4.40 Save $ 0.00

    GFB Mach 2 Atmosphere Conversion Kit-Changes T9100/T9101/T9102/T9104/T9105/T9135 Recir to Atmosphere

    Go Fast Bits
    $ 44.00
    $ 44.00 - $ 44.00
    $ 44.00
    $ 39.60
    $ 39.60 - $ 39.60
    $ 39.60
    Low stock

    GFB Mach 2 Atmosphere Conversion Kit-Changes T9100/T9101/T9102/T9104/T9105/T9135 Recir to Atmosphere

    $ 44.00
    $ 44.00 - $ 44.00
    $ 44.00
    $ 39.60
    $ 39.60 - $ 39.60
    $ 39.60
    Save $ 4.40 Save $ 0.00
  • Save $ 3.89 Save $ 0.00

    GFB Fuel Pressure Gauge (Suits 8050/8060) 40mm 1-1/2in 1/8MPT Thread 0-120PSI

    Go Fast Bits
    $ 38.90
    $ 38.90 - $ 38.90
    $ 38.90
    $ 35.01
    $ 35.01 - $ 35.01
    $ 35.01
    Low stock

    The 5730 can be used with any of the Go Fast Bits range of fuel pressure regulators for those wanting to have a quick visual way of monitoring fuel...

    View full details
    $ 38.90
    $ 38.90 - $ 38.90
    $ 38.90
    $ 35.01
    $ 35.01 - $ 35.01
    $ 35.01
    Save $ 3.89 Save $ 0.00
  • Save $ 4.49 Save $ 0.00

    GFB Whistling Trumpet (suits all valves)

    Go Fast Bits
    $ 44.90
    $ 44.90 - $ 44.90
    $ 44.90
    $ 40.41
    $ 40.41 - $ 40.41
    $ 40.41
    Low stock

    The 5702 can be used in place of the standard trumpet on all GFB valves, and will make the whistling sound more readily than the 5701 (high boost a...

    View full details
    $ 44.90
    $ 44.90 - $ 44.90
    $ 44.90
    $ 40.41
    $ 40.41 - $ 40.41
    $ 40.41
    Save $ 4.49 Save $ 0.00