Description
The Big Gun TFI Power Box for 2010-2014 Polaris Sportsman 550 is a plug-and-play fuel controller designed to optimize your EFI system, especially for vehicles with aftermarket exhausts. It enhances horsepower and throttle response while allowing easy adjustments via integrated faceplate buttons-no computer is required. The unit installs in minutes and does not interfere with the stock ECU map. Built with durable materials and expert craftsmanship, it ensures long-lasting performance. Comes with a 1-year limited warranty.
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