Absent the GT-R owner verifying mods, there's another way to find out.
Joe will be at the Shift-S3ctor event, and there are plenty of GT-R's signed up, including a few 2013's....some stock and some modded.
Daily: 2013 e92 M3 DCT / ESS VT2 650 S/C / Akrapovic Evolution / StopTech BBK
Track/Airstrip: 2011 997.2 Turbo S PDK / GIAC Stage 2 (9 second file) / Ohlins coils / R888's
Beater: 2013 X5 3.5sport
YouTube Channel: https://www.youtube.com/channel/UCT1...eoFBszPIK0gf9w