4 inches / 35 % Film / 15 % Net / 5 % Net / 1994
A tint brow on the windshield cannot go no lower than 4 inches, 35% film may be applied to the front side windows, 15% light must go through the combined window film and windows for the rear side windows and 5 % light transmission is required on the rear back window and film combined. The year 1994 is the year that the law went into effect.
NO / NO / NO / NO / 1996 for 1998 model year and after NO / NO / ANY / ANY before 1998 Model Year
Enforcement Note : Illegal tint on cars can be a reason to be failed in the state safety inspection which was struck down in court.
6 inches / 50% Film & 35% Net / 50% Film & 35% Net / 50% Film & 35% Net / 1996
Note : MPV windows behind the front side doors are exempt as long as they are in compliance with FMVSS 205.
Government and Law Enforcement vehicles are exempt from the tint law. If ordinary people are required to obey this law, it should definitely apply to government and law enforcement vehicles.
Enforcement Note : Tint Law may be applied to out-of-state vehicles.
In other words, you can't tint anything legally to any % in PA.