Big Gun TFI Power Box Arctic Cat Wildcat XX Big Gun enhances your machine's performance with the TFI Power Box fuel controller, designed for seamless integration after installing an aftermarket exhaust. It enriches fuel ratios across the RPM range, safeguarding against lean runs to manage temperatures and ensure silky-smooth operation. Adjustment is straightforward, thanks to built-in faceplate buttons, eliminating the need for external devices. Features: Increases horsepower and throttle response Includes pre-set map to compensate for Big Gun exhausts Plug-and-play harnesses plug directly in line with your stock fuel injector harnesses using factory-style terminals No extra computer, phone or tablet required to make adjustments Installs in minutes Note: Image for reference, actual product will vary based on application.