645 - 275hp Stage 1 tuning

The Challenger MT 645 - 275hp produces 275 hp and 1185 Nm as standard. The YASTUNING Stage 1 remap file takes it to 330 hp and 1430 Nm, a gain of +55 hp and +245 Nm. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.