3.0T Carrera S / 4S 420hp Stage 1 tuning

The Porsche 911 3.0T Carrera S / 4S 420hp produces 420 hp and 500 Nm as standard. The YASTUNING Stage 1 remap file takes it to 475 hp and 620 Nm, a gain of +55 hp and +120 Nm. Engine code MDC.HA. ECU: Siemens/Continental SDI21.X. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.