2007-2008 HONDA TRX420R4X4: BIG GUN TFI POWER BOX

2007-2008 HONDA TRX420R4X4: BIG GUN TFI POWER BOX Reviews

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2007-2008 HONDA TRX420R4X4: BIG GUN TFI POWER BOX Feature

• Increases horsepower. Improves throttle response. Installs in minutes. New third generation technology. No computer needed to adjust TFI. Plug-In technology (doesn't interfere with stock ECU map) Integrated faceplate buttons provide easy adjustment

TFI RANCHER 420 07-11

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