Blow Off Valve Accessories
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GReddy 89-94 Nissan Skyline BNR32/BCNR33 FB-Type BOV Kit w/ Adapters (For Stock Styling Piping)
GReddyGReddy 89-94 Nissan Skyline BNR32/BCNR33 FB-Type BOV Kit w/ Adapters (For Stock Styling Piping)
GReddy Type R Universal BOV Stiff Spring
GReddyGReddy Type R Universal BOV Stiff Spring
GReddy Type R Universal BOV Standard Spring
GReddyGReddy Type R Universal BOV Standard Spring
GReddy Cast SS 3in 2-Bolt Flange Set w/ Gasket
GReddyGReddy Cast SS 3in 2-Bolt Flange Set w/ Gasket
GFB Gasket for Response BOV (For gfbT9003 & gfbT9503)
Go Fast BitsThe older valves used gaskets, the newer types have a o ring in the flange and therefore a replacement gasket will not be required.
GFB Gasket for Response BOV (For gfbT9001, gfbT9002, gfbT9501, gfbT9502)
Go Fast BitsThe older valves used gaskets, the newer types have a o ring in the flange and therefore a replacement gasket will not be required.
GFB Standard Replacement Trumpet
Go Fast BitsGFB Standard Replacement Trumpet
GFB Screw-In Plug (screws into any GFB Trumpet or plumb-back outlet. Valves manufactured before 2003
Go Fast BitsScrew-In Plug (screws into any GFB trumpet or plumb-back outlet, except valves manufactured before 2003)

GFB Mach 2 Atmosphere Conversion Kit-Changes T9103 or T9133 from Recir to Atmosphere
Go Fast BitsMach 2 Atmosphere upgrade kit to convert mach 2 from recirculting to atmosphere venting BOV. Consisting of trumpet, spring and plug.Installation In...
View full detailsGFB Mach 2 Atmosphere Conversion Kit-Changes T9100/T9101/T9102/T9104/T9105/T9135 Recir to Atmosphere
Go Fast BitsGFB Mach 2 Atmosphere Conversion Kit-Changes T9100/T9101/T9102/T9104/T9105/T9135 Recir to AtmosphereInstallation Instructions

GFB Mach 2 Atmosphere Conversion Kit-Changes T9107 or T9125 from Recir to Atmosphere
Go Fast BitsGFB Mach 2 Atmosphere Conversion Kit-Changes T9107 or T9125 from Recir to AtmosphereInstallation Instructions
GFB Mach 2 Atmosphere Conversion Kit-Changes T9120 from Recir to Atmosphere
Go Fast BitsGFB Mach 2 Atmosphere Conversion Kit-Changes T9120 from Recir to AtmosphereInstallation Instructions
GFB Foam Filter for Atmosphere-Venting BOVs
Go Fast BitsIf your BOV vents to atmosphere and you drive in hostile environments, the 5711 filter is for you. Featuring a foam filter element with internal st...
View full detailsGFB Universal Atmospheric Trumpet w/Filter Mount
Go Fast BitsGFB Universal Atmospheric Trumpet w/Filter Mount
GFB Whistling Trumpet (suits all valves)
Go Fast BitsThe 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 detailsGFB Whistling Trumpet (only for Stealth FX and WRX Hybrid)
Go Fast BitsThe 5701 can be used in place of the standard trumpet on GFB valves (Part numbers T9003 & T9503), and will make a whistling sound. However, it ...
View full detailsGFB Recirculating Hose Plug - 38mm ID Hose
Go Fast BitsRecirc Hose Plug - suit 38mm (1-1/2") ID hose
GFB 33mm Hose Plug
Go Fast BitsGFB 33mm Hose Plug
GFB 30mm Hose Plug
Go Fast BitsGFB 30mm Hose Plug
GFB 25mm Hose Plug
Go Fast BitsGFB 25mm Hose Plug
GFB 20mm Hose Plug
Go Fast BitsGo Fast Bits Hose Plug
GFB to Greddy Inlet Adaptor - Fits Deceptor Pro & Respons TMS Valves
Go Fast BitsGFB to Greddy Inlet Adaptor - Fits Deceptor Pro & Respons TMS Valves
GFB 38mm Hose Mount Inlet for Mach2/Hybrid/Respons/Deceptor Pro II
Go Fast BitsGFB 38mm Hose Mount Inlet for Mach2/Hybrid/Respons/Deceptor Pro II
GFB 38mm Plumback Adaptor
Go Fast BitsGFB 38mm Plumback Adaptor