Illinois law says front plate must be displayed. I say no way.
I refuse to drill holes in my bumper. I will gladly pay the fine before I will deface my Crossfire.
I do carry the front plate under my floormat inside the car.
If I get stopped I will tell the cop that I am waiting for my mounting plate to come in to Chrysler. He doesn't need to know that it is on a shelf in my garage and came with the car but had not been installed by the previous owner either. He never received a ticket and also lives in Illinois.