I don't know the part numbers off hand, but there is no rub issue over the year I had it on the car

That's also why I want someone in Southern California to buy, so they can thoroughly inspect airbox and all components to make sure everything is perfect and to their exact specifications

I meet another crossfire owner that had a similar setup to mine, (minus the intake tubes and front cover and the fact his box was from a s500) he said the rub on his box from an s500 was so insignificant, he had no idea why people on the forum made it such a big deal. If I would have known, that fact I wouldn't have spent a year and some change looking for a c320 airbox lol