Never in my life have I seen O2 sensors inside the cats. There is no way that's a GMT900 truck with a gas motor.
I expressed the same feelings to him, said I have idea what they are from.This.
That's some import car stuff.
He never once has answered my question. What did they come off of? Instead he sends me random pictures of y pipes and says ---->> "I can assure you this my own will definitely work for it. Check it very will."
And then he sent me this one. Now this one is looking a little closer but it not what I'm asking for.
I think he had it listed in a picture that they are 1500 or something.