Actually it is, it takes a little law interpretation so it depends on how bad you want this. If someone charges obstructed windshield they are wrong that covers window tint and American flags. There is a case law on this charge! Officer lost a good dope bust because of it. Now check this out...improper equipment...wait you say that covers vehicles not to be noisy, smoky, or a nuisance? Then we check Metro ordinances 72.039 C1 and 2. I know it usually means a parked vehicle but it clearly states