Big Gun Exhaust TFI Power Box EFI Tuner - 40-R57A Tuners while updates to the hardware

while updates to the hardware allow for a more robust general performance

2006-2011 YAMAHA RHINO 450

It increases the overall RPM limit over the stock box and advances the timing curve

Rubber end connector covers

Part Number: 07-1402

Big Gun Exhaust TFI Power Box EFI Tuner - 40-R57A Tuners while updates to the hardwareTFI POWER BOX When installing an aftermarket exhaust, proper tuning is a must. The Big Gun Power Box is a plug and play fuel controller that allows you to properly tune your fuel injected motorcycle, ATV or Side x Side in just minutes. Installing a Power Box allows you to get the most out of your aftermarket exhaust and increases throttle response. A Power Box helps cure the lean issue that is run into when installing a higher flowing exhaust and