Big Gun Exhaust TFI Power Box EFI Tuner - 40-R52A 09-2612 the ECO series is affordable

the ECO series is affordable yet powerful

Constructed of 3/16”steel

Bluetooth® 3

ATV and Side x Side models

Operating temperature: -10°C - 55°C (14°F - 131°F)

Big Gun Exhaust TFI Power Box EFI Tuner - 40-R52A 09-2612 the ECO series is affordableTFI 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