I've had my smoke GTS covers for over 18 months, and I have yet to be cited for using them. I've even had a speeding ticket...
I'm not advising you to break the law, but the covers do look great, and if you decide to use them on the road, be advised that they do make the headlights dimmer... so be careful!
There's a good pic of the covers on my car in user's rides.
Just click on the sig...
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1998 Mustang GT
14.18@100.56
"Traction Impaired" or "Nitto Needy"