Polaris Xpedition AA ECU Flash by Aftermarket Assassins by Aftermarket Assassins
Original price was: $316.00.$188.87Current price is: $188.87.
Description
Polaris Xpedition ECU Flash by Aftermarket Assassins
Unlock the full potential of your Polaris Xpedition with the Aftermarket Assassins ECU Flash, the ultimate performance upgrade designed to deliver more horsepower, torque, and throttle response. Built for riders who demand top-tier performance and reliability, this ECU flash transforms your Xpedition into a more aggressive, responsive, and powerful machine. Through advanced tuning technology and precise calibration, Aftermarket Assassins optimizes your vehicle’s Bosch MG1 ECU for real-world gains you can feel on every ride.
Each tune is meticulously developed using extensive dyno testing and field data, ensuring safe and dependable power at every throttle position. Enjoy faster acceleration, smoother throttle delivery, and improved torque throughout the RPM range. The flash also removes factory restrictions such as throttle-by-wire limiters, seatbelt speed limiters, and gear start limitations, allowing your Xpedition to perform at its highest capability. With fan temperature adjustments, optimized fuel curves, and raised rev limits, this ECU flash guarantees a cooler, more efficient, and more responsive performance.
Choose from multiple tune levels tailored to your setup. The Level 1 Tune is ideal for a stock Xpedition running 91–93 octane fuel, adding up to 6 horsepower at the crank with improved throttle response and drivability. For those with aftermarket exhaust systems, the Level 2 Tune increases output by 7–8 rear wheel horsepower while maintaining safe air-fuel ratios and cooler operating temperatures. Pairing either tune with the AA S3 Clutch Kit maximizes performance gains and ensures your engine maintains peak RPM for optimal power delivery.
Aftermarket Assassins has decades of experience tuning UTVs and CVT clutch systems, ensuring every calibration is engineered for both peak power and long-term reliability. Each ECU flash is tested under real-world conditions to guarantee consistent results whether you’re trail riding, rock crawling, or exploring rugged terrain. The process is simple—ship your ECU for unlocking and programming, or purchase a pre-flashed unit outright for quick installation. Turnaround times average 1–2 business days, with express options available for faster service.
Experience the difference that expert tuning makes with the Polaris Xpedition ECU Flash by Aftermarket Assassins. Combine it with matching clutch components for unmatched performance, smoother power delivery, and the confidence to push your machine harder. When you want proven results backed by real data, superior engineering, and years of UTV expertise, Aftermarket Assassins delivers.

