4.0 TFSI 571hp Stage 1 tuning

The Audi S8 4.0 TFSI 571hp produces 571 hp and 800 Nm as standard. The YASTUNING Stage 1 remap file takes it to 600 hp and 900 Nm, a gain of +29 hp and +100 Nm. Engine code CWWB. ECU: Bosch MG1CS008. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.