Its all on the offset rim and tire size combo you go with that determines the rubbing..not so much the drop... I have tested some 17X7 rims with 205/40/17 size tires on my car with the H&R cupkit which gives a all around drop of 2.7" and had NO rubbing at all. The rims were a 42mm offset and thats what you should go with it you dont want rubbing.