425 - 14.9 Stage 1 tuning

The Case ih STX 425 - 14.9 produces 431 hp and 2162 Nm as standard. The YASTUNING Stage 1 remap file takes it to 499 hp and 2598 Nm, a gain of +68 hp and +436 Nm. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.