First off, the engine is stock, manual, 19" wheels, and factory tune. I did two pulls with 87 octane and two with 93 the next night. the correction factor was 1.02 on the first night and 1.03 on the second night. So no real diffence there.
87 : HP= 371.16, Torque= 352.98
93: HP=374.54, Torque=...