3.5 V6 224hp Stage 1 tuning

The Saturn Aura 3.5 V6 224hp produces 224 hp and 298 Nm as standard. The YASTUNING Stage 1 remap file takes it to 245 hp and 330 Nm, a gain of +21 hp and +32 Nm. Engine code LZ4. ECU: Delco E38. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.