Big Gun TFI Power Box Polaris RZR 800 / 4 800 2008-2010

Big Gun TFI Power Box Polaris RZR 800 / 4 800

Big Gun's TFI Power Box fuel controller enhances your machine's performance by finely tuning the fuel injection to match an installed aftermarket exhaust. This seamless integration prevents the engine from running lean, regulates temperatures, and ensures smooth, stock-like drivability. Its design incorporates integrated faceplate buttons for straightforward adjustments, 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.