150.4 - 4.1 137hp Stage 1 tuning

The Same Fortis 150.4 - 4.1 137hp produces 137 hp and 637 Nm as standard. The YASTUNING Stage 1 remap file takes it to 167 hp and 880 Nm, a gain of +30 hp and +243 Nm. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.