Originally Posted by J08M3
In my opinion suction cupped to the windshield above the mirror is a much cleaner install. Hanging underneath is right in your line of sight while driving. Not sure that's such a good idea. Plus radar detectors work better the higher you mount them. It improves their range.
Not to mention it's much easier to see from behind your car and also from the front for anyone walking by while you're parked who might want to snatch it.