So just spoke with Weistec and the big issue is since I will not be the original owner it will not be covered by any warranty. The install was very reasonable priced at $2500. They did offer me a sale price on the systems and they also stated that the Stage 2 isn't CA emissions compliant no matter even if it's the only modded part of the vehicle and that it will fail the visual test along with the emissions.
Stage 1 is the smartest bet for me. Looks like this Stage 2 is out of the question.... Bummer.l because the Bank of Wife gave the okay too. Bigger issue is now I'm stuck with the dishes for the rest of this month and the next