Hi, 50% is as dark as you can go on all windows ( side @ rear) in Ohio. Factory glass on most cars is very light about 98%, so 50% film will look great on your car. ( maybe lok classy instrad of a drug dealer look!!!! unless your a drug dealer .My car has 28% formula one film all around , check it out on my gallery page at
www.detailingshop.ca.
