AI - 375A - 12.0 381hp Stage 1 tuning

The Mack Econodyne AI - 375A - 12.0 381hp produces 381 hp and 1708 Nm as standard. The YASTUNING Stage 1 remap file takes it to 440 hp and 2000 Nm, a gain of +59 hp and +292 Nm. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.