Not dumb questions at all. Yes, it is a complete from the cats back. High flow cats are separate and not included. As far as I know there are no differences underneath from 09-12. It should bolt right up. And yes, pay pal is an acceptable form of payment. PM me your address and I'll get an accurate shipping quote.
Well, my post pretty much answers most of your questions. I am just outside of Indianapolis. I am asking $850. I am looking into shipping options now. Probably FedEx and probably three separate boxes. I can keep the cost down to around $100. Shipping this in one box would cost almost $200.
I am upgrading to a 3" system.