3.8 V8 675hp Stage 1 tuning

The McLaren 675LT 3.8 V8 675hp produces 675 hp and 700 Nm as standard. The YASTUNING Stage 1 remap file takes it to 700 hp and 750 Nm, a gain of +25 hp and +50 Nm. Engine code 38JBAC. ECU: Bosch ME17.8.3. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.