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Vendor: Go Fast Bits
GFB Mach 2 Atmosphere Conversion Kit-Changes T9107 or T9125 from Recir to Atmosphere
GFB Mach 2 Atmosphere Conversion Kit-Changes T9107 or T9125 from Recir to AtmosphereInstallation InstructionsSale price $31.14Regular price $34.60Sale price $31.14Regular price $34.60 -
Vendor: Go Fast Bits
GFB Whistling Trumpet (suits all valves)
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 and RPM is required to get the whistle...Sale price $38.48Regular price $42.75Sale price $38.48Regular price $42.75 -
Vendor: Go Fast Bits
GFB Whistling Trumpet (only for Stealth FX and WRX Hybrid)
The 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 is necessary to run the valve so that all...Sale price $38.48Regular price $42.75Sale price $38.48Regular price $42.75
