Unlock the full potential of your 2025 Polaris Ranger XP 1000 with AA’s Custom ECU Tunes designed exclusively for use with the HP Tuners Remote ECU Tuning Device. Developed by Aftermarket Assassins, these professional-grade performance tunes deliver unmatched horsepower, torque, and throttle response for riders who demand the ultimate power and precision from their UTV. Each tune is the result of extensive R&D, dyno testing, and real-world performance verification to ensure your Ranger runs stronger, cooler, and faster under any condition.
Through advanced ECU calibration, AA optimizes key parameters that govern fuel, timing, rev limits, throttle mapping, and speed restrictions. The result is a noticeably more responsive and powerful machine that feels completely transformed. Experience faster acceleration, smoother throttle transitions, and greater control whether you’re hauling, trail riding, or tackling rugged terrain. Factory restrictions such as throttle-by-wire limiters, seatbelt speed limits, and low-gear throttle reduction are removed, allowing your engine to perform freely. The fan temperature settings are also optimized to maintain cooler operating temperatures for improved engine longevity.
Choose from multiple tuning levels tailored for your fuel type and modifications. Level 1 Tunes are ideal for stock machines, offering up to +5 rear-wheel horsepower gains on premium 91-93 octane fuel. Level 2 Tunes are designed for Rangers equipped with aftermarket exhaust systems, adding as much as +12 horsepower by refining both fuel delivery and ignition timing. Each tune maintains safe air-fuel ratios, ensuring reliable performance without sacrificing efficiency. Pairing your tune with an AA S3 clutch kit is highly recommended for maximum acceleration and consistent peak RPMs.
AA’s ECU tunes go beyond simple horsepower increases. They enhance drivability, remove unnecessary factory restrictions, and deliver precision-calibrated power throughout the RPM range. With speed limiters removed in high gear, increased limits in low and reverse, and a raised rev limit to 8800 RPM, your Ranger XP 1000 achieves a top-end performance unmatched by stock calibration. Furthermore, the ability to start in any gear, desensitized misfire detection, and improved two-foot operation make your machine more capable and trail-ready than ever before.
Every aspect of AA’s tuning reflects years of expertise in UTV performance engineering. Their deep understanding of CVT clutch systems ensures that each tune works harmoniously with your drivetrain for the most efficient power transfer possible. Tested on both dyno and real-world terrain, these calibrations deliver proven results you can feel immediately. When you choose AA Custom Tunes, you’re not just flashing your ECU—you’re upgrading the entire driving experience of your Polaris Ranger XP 1000.
Part Number: 119-1004-1 (Specify Year/Model)
Compatible with HP Tuners Remote ECU Tuning Device for all 2025 Polaris Ranger XP 1000 models.