665E - 8.4 - 320hp Stage 1 tuning

The Challenger MT 665E - 8.4 - 320hp produces 320 hp and 1 Nm as standard. The YASTUNING Stage 1 remap file takes it to 350 hp and 1 Nm, a gain of +30 hp. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.