I did mine and they look fine and there has been no issues with the law, but I live in AZ and they don't mess you to much for that. What I did was two coats of black and then a coat of glossifier.
That will knock out some of the flatness and brighten it up. You will need to redo it in about 3 to 6 months if you wash your car a lot because it will lose it's brightness, but I get tons compliments because most people can't tell the difference in PD and the other options mentioned.
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