420 Stage 1 tuning

The Scania Trucks R-Serie 420 produces 420 hp and 2100 Nm as standard. The YASTUNING Stage 1 remap file takes it to 500 hp and 2460 Nm, a gain of +80 hp and +360 Nm. ECU: Motorola EMS S6, Motorola EMS S8. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.