5.7 V8 408hp Stage 1 tuning

The Holden Monaro 5.7 V8 408hp produces 408 hp and 460 Nm as standard. The YASTUNING Stage 1 remap file takes it to 430 hp and 480 Nm, a gain of +22 hp and +20 Nm. Engine code LS1. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.