5.3 V8 295hp Stage 1 tuning

The GMC Sierra 5.3 V8 295hp produces 295 hp and 447 Nm as standard. The YASTUNING Stage 1 remap file takes it to 315 hp and 470 Nm, a gain of +20 hp and +23 Nm. Engine code LMG. ECU: Delco E38. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.