685C - 8.4 - 340hp Stage 1 tuning

The Challenger MT 685C - 8.4 - 340hp produces 340 hp and 1 Nm as standard. The YASTUNING Stage 1 remap file takes it to 380 hp and 1 Nm, a gain of +40 hp. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.