I was very tempted to get a "Blend Mount" for my V1, but I realized it wouldn't work on my '12 Titanium. Perhaps the other spec cars have a compatible mirror.
Link to website --> BlendMount
. Their "mirror tap" also looks very ingenious. I would totally use it if my vehicle allowed.
Here's a link to my V1 install
on my other vehicle.
Good luck with your install and I look forward to seeing your results.