XP Turbo / XP-4 Turbo 144hp Stage 1 tuning

The Polaris Ranger / RZR / XP XP Turbo / XP-4 Turbo 144hp produces 144 hp and 145 Nm as standard. The YASTUNING Stage 1 remap file takes it to 159 hp and 180 Nm, a gain of +15 hp and +35 Nm. ECU: Bosch ME17.9.74. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.