4.7 V8 426hp Stage 1 tuning

The Aston Martin Vantage 4.7 V8 426hp produces 426 hp and 470 Nm as standard. The YASTUNING Stage 1 remap file takes it to 450 hp and 500 Nm, a gain of +24 hp and +30 Nm. Engine code AM15. ECU: Ford EEC-VI. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.