16x9s rears on 9n HELP!

Hello everyone, I am sorry if this has been cover but can't find much to really help me out fully :(

Basically I'm looking at getting a set of wheels for show season deciding on what is the main thing :/ Borbet A banded steels or if funds will stretch set of image splits or bbs rs..

Anyway stop babbling on this is my question guys. I know for sure that i want to run 16x8s on the front and 9s on the back.. I'm just worried if the 9s will rub or cause an issue at all specially with the Borbet A's cause the offset will be et15 i believe which is rather low. Just trying to cover my back a little so if anything does go bad at least ill be prepared

Any help or guidance will be very appreciated :)

And if you have any pics of a 9n on these sets of wheels or opinions and input

Thanks again guys

Dale.