Registration and Posting Agreement
And to the point of my story, this is why I build trucks that are 75 or older, they require no smog in CA.
Depending on the price, why not get a lawyer to form you a new mexico, montana or wyoming llc and register the vehicle there? Unless you have some nasty police, you should be okay.
Bake: Magnaflow makes CA approved cats.TexasRed: Cant register a vehicle out of state if you are a CA resident. Its a violation of CA vehicle code.