in michigan you can drive w/ ur interior neons on, as long as the neon rods are not visible from the outside. mine are in the footwells and one in the trunk. i drive w/ them on all the time, and cops have verified that mine are ok. i also have blue underbodies and i drive w/ them on sometimes just to show off in like residential areas and freeways, esp. after i get done watching fnf or 2f2f. n e ways underbodies r illegal to drive w/ period. but i just wanted to share i guess the michgan law for interior neons. mine are bright, like super bright and cops pull up next to me and try to c inside the car just to check to c if they can bust me for the neons but they are below the dash so all you c is the bright glow inside my car. a definite head turner in my opinion. it would be even better, if had some lambo doors though, but that's another story.