yay another ohioan! A, join the ohio wbody cartel on facebook. 2, the state troopers are usually all you have to worry about...a few years ago i would get pulled over every few months but as of latley they have been leaving me alone. and D, go at least 20% if i were to do it all over from scratch i would do 15% in the front and 20% in the back, the light comming in from the windshield makes the front windows look a little lighter on a coupe...idk maybe im just picky