Ricer and etiquitte don't belong in the same sentence. Kind of like froozen fire.
Those guys will take advantage of you any way they can. I've even had guys race me when I'm behind other cars, not paying attention. I'm sure there are guys in civics that have pulled next to a parked mustang, driven off quick and say they've beet a V8 Mustang
Such is the world we live in.