Originally Posted by Tigger

I totally get it. Not trying to say you were. Just explaing what you are seeing. Throw your stock cats back on if you believe there is a problem with your vehicle. But i'll tell you right now that the codes you are seeing tells me there isn't a thing wrong with your car. How you want to handle it is up to you. But don't take it to the dealer like that and ask for a check up. They'll see the aftermarket **** and bill you anyway.

Good luck!