I found it hard to wait past 5k miles to change the oil. I just can't bring myself to do it. I changed the oil at 5k on my 12 GT and now on my 15 GT I do the same. I can't imagine that it isn't better for the motor even though the recommendation is 10k.
2018 Lightning Blue GT Premium; Performance Package 1:
MagneRide; Active Exhaust