Lingenfelter blows our mind again:
http://www.lingenfelter.com/Lingenfelter2006ZO6TTBGB.htm

That is a very find car. Only thing I don't like is the roll cage, but then I would not drive that fast without one, either.

They are simply the best, not only at modifying 'vettes but to deal with buying parts, etc. I've spend a lot of money with them, talked with their experts a lot on the phone, and never had a bad experience with them.