in new york the number is 70% light transmittance, below that number is illegal. 70% is very light/no tint. on a 2 door or 4 door all the windows have to be above 70%, for a truck or suv the rears door windows can be as dark as you want
Speaking of a carbon track pack spoiler, any recommendations for a real carbon fiber one? I see trufiber and Anderson composites have one but nobody carries either.