I couldn't find any clear ones, but here's a black tint kit for them
http://8007610235.ecrater.com/product.php?pid=4247426 Maybe if you look for a TL forum online, people will know where to get them.If you do that though, you need to get extra powerful bulbs, probably LED's, because it'll further darken the output. I get my LED's at autolumination.com