4105 3.4L 107hp Stage 1 tuning

The Steyr Multi 4105 3.4L 107hp produces 107 hp and 444 Nm as standard. The YASTUNING Stage 1 remap file takes it to 135 hp and 550 Nm, a gain of +28 hp and +106 Nm. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.