655C - 8.4 - 264hp Stage 1 tuning

The Challenger MT 655C - 8.4 - 264hp produces 264 hp and 1 Nm as standard. The YASTUNING Stage 1 remap file takes it to 310 hp and 1 Nm, a gain of +46 hp. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.