On the EXC-f there isn’t the abs ring issue.
17”(or 16.5” racing wheels which was the original French invention setup) with spacers and smaller rear sprocket,
That’s it.
Many put a larger front disc and adapter bracket on it as road speeds are higher but that makes it a little more awkward swapping back to enduro unless you then run a larger disc on those wheels as well but that doesn’t hold up as well Offroad.
Never bothered with a different mudguard on the CRF450R I did,