S6 4.0 TFSI 450hp Stage 1 tuning

The Audi A6 S6 4.0 TFSI 450hp produces 450 hp and 550 Nm as standard. The YASTUNING Stage 1 remap file takes it to 540 hp and 800 Nm, a gain of +90 hp and +250 Nm. Engine code CTGE. ECU: Bosch MED17.1.1. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.