Took a look at my new Z (edit: Dec 22 build) I picked up Monday after seeing this thread, and yep, I've got this problem on my car too. Only the one side so far.
Funny thing is I haven't opened the hood yet. This must've happened at the dealership or before I suppose. Really wish I had looked...
I spoke to a salesman almost 3 weeks ago regarding when the car was coming in and cost; they actually quoted me MSRP then. Shoulda signed the damn paperwork that day.
When the car came in I spoke to them again and they told me $5k. I was starting a trip for a couple weeks and said I'd reserve...
I actually just put in a reservation on one such performance spec listed with "Graphite Cloth" on the inventory page. Pictures show graphite (not blue, like the exterior) leather, window sticker says leather
$2k markup; in Dover, Ohio.