680B - 12.5 - 431hp Stage 1 tuning

The Challenger 6xx 680B - 12.5 - 431hp produces 431 hp and 1 Nm as standard. The YASTUNING Stage 1 remap file takes it to 530 hp and 1 Nm, a gain of +99 hp. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.