Big Gun ATV TFI power boxes are neat and compact accessories that add a big advantage once
installed into your ATV. Known to actively amplify horsepower and throttle, they are easily
installed in a matter of minutes. Big Gun ATV TFI power boxes are engineered as the new third
generation of Big Gun technology, they are easy to adjust and utilize the plug-in expertise which
supports the stock ECU mapping system. Big Gun ATV TFI power boxes require no computer to
adjust the EFI and make use of integrated faceplate buttons to provide easy alteration.