Bolster wear is a common issue with the NSX. My Mini Cooper had the same problem. I called Leather Medic - a franchise - and I was as amazed as the first time I used a paintless dent guy. The repair was perfect/undetectable even with a couple of unusual colors to match. If your drivers bolsters are showing signs of wear, I would not hesitate to call these guys. $160.00 and it took about an hour and a half. Check it out - I only wish I had shot a couple "before" pics: