Thanks, guys, for the help.
I'm thinking 35%.
In Tennessee, 35% is the max. Although I've never heard, in TN, of anyone ever being cited and I have seen some VERY dark windows.
1994 C280, dark green metallic
1991 190E 2.6, Black
(sold to another forum member)
2003 Chevy Tahoe LT, Redfire Metallic
1989 Mustang GT Cobra Convertible