Very slight suspension movement sound when going over a speed bump when it's absolutely quiet. Otherwise, you won't ever notice it. Maybe it will go away when the gap is increased again when my 18" wheels and tires go on.
I scraped my bumper for the first time today, coming out of a parking garage with a VERY VERY steap exit. There was no avoiding it and unfortunately it's very noticable if you're about 10 feet in front of the car looking straight at it.
Made me think about the brabus or piecha front lips to cover it up instead of paying for repainting.