California has some of the most stupid rules regarding carb….
Well the irony is that if the car is out of state and subsequently registered here, no carb sticker required on the smog test. It only applies if you need to replace the part, and the you need a stupid carb sticker/etching on the part..And the manufacturer will gouge you for it.
Morale of the story #2..If you have an out of state car, keep it registered out of state as long as you can.