6.2 V8 405hp Stage 1 tuning

The GMC Yukon 6.2 V8 405hp produces 405 hp and 565 Nm as standard. The YASTUNING Stage 1 remap file takes it to 425 hp and 585 Nm, a gain of +20 hp and +20 Nm. Engine code L92. ECU: Delco E38. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.