440hp OPTIDRIVER Stage 1 tuning

The Renault Trucks Magnum 440hp OPTIDRIVER produces 440 hp and 2240 Nm as standard. The YASTUNING Stage 1 remap file takes it to 520 hp and 2600 Nm, a gain of +80 hp and +360 Nm. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.