Big Gun TFI Power Box
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Big Gun TFI Power Box
Increases horsepower.
Improves throttle response.
Installs in minutes.
New third generation technology.
No computer needed to adjust EFI.
Plug-in technology (does not interfere with stock ECU map).
Integrated faceplate buttons provide easy adjustment.
Highly recommended for any EFI unit with aftermarket exhaust.
Available Part Numbers
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Customer Reviews (2)
Reviews 1 - 2 of 2
Jun 17, 2018
Robert
This power box helps a
This power box helps a lot with performance it works very well but it doesn’t work right when you turn the key on anf it only works if the atv is running
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Feb 11, 2017
garry
wires are to short for
wires are to short for gader 850 rsx
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