5.5 V12 428hp Stage 1 tuning

The Ferrari 456 5.5 V12 428hp produces 428 hp and 490 Nm as standard. The YASTUNING Stage 1 remap file takes it to 435 hp and 510 Nm, a gain of +7 hp and +20 Nm. Engine code F116B00. ECU: Bosch M2.7. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.