Big Gun 11-14 Polaris RZR XP 900 Power Box

If you've added an aftermarket exhaust to your 2011-2014 Polaris RZR XP 900, you'll want to make sure your fuel system can keep up. The Big Gun TFI Power Box is designed to optimize your RZR's throttle mapping and fuel delivery, giving you a noticeable performance boost. It's a plug-and-play module that works with your existing EFI system to improve how your engine breathes and responds.

This third-generation technology makes it easy to get more out of your RZR. You'll feel an improved throttle response, smoother power delivery across the board, and a solid increase in mid-range torque, all without messing with the stock ECU map or needing a computer for adjustments. The integrated buttons on the faceplate let you fine-tune on the fly. It's built tough with weather-resistant sealing, so it can handle the rough conditions your RZR is made for.

Installation is straightforward and takes just minutes. This power box is highly recommended when you've upgraded your exhaust system to get the most out of those modifications and ensure your engine is running efficiently.