Big Gun Exhaust Power Box EVO ECO EXO EFI TFI Fuel Controller Raptor 700 2015+ —
BIG GUN EXHAUST TFI FUEL CONTROLLER. Yamaha Raptor 700 (2015 – Current). When installing an aftermarket exhaust the proper tuning is a must. The Big Gun TFI fuel controller is a Plug and Play fuel controller that allows you to properly tune your cue injected application in just minutes. Installing the TFI power box allows […]