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Big Gun TFI Power Box EFI Tuner


 
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Price: $ 193.97 to $ 269.99
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  • 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