Description
The Big Gun TFI Power Box for the 2014-2021 Polaris Sportsman 570 is a plug-and-play EFI controller designed for improved tuning, especially for vehicles with aftermarket exhausts. It enhances horsepower and throttle response while allowing for easy adjustments via integrated faceplate buttons-no computer required. Installation takes just minutes, and the unit works without interfering with the stock ECU map. Built with durable, high-quality materials, this third-generation technology ensures reliable performance and long-term value. Comes with a 1-year limited warranty.
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