5.6 V8 405hp Stage 1 tuning

The Infiniti QX80 5.6 V8 405hp produces 405 hp and 560 Nm as standard. The YASTUNING Stage 1 remap file takes it to 450 hp and 591 Nm, a gain of +45 hp and +31 Nm. Engine code VK56VD. ECU: Hitachi SH705822N. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.