I don't really have any info for tinting the taillights, but for blacking out the bowties, I bought a roll of black vinyl for $10 and an exacto knife from Michael's today and it worked great. It was kind of a pain to get the vinyl on the front one without any bubbles or creases but if you go slow and smooth it out a tiny bit at a time it's not too bad. For pics, see the post i just made:
http://www.camaro5.com/forums/showthread.php?t=140689
it's not CGM but you can see how the bowties turned out. I did it pretty much exactly the same as many other people on here and it worked great
oh also if you're just blacking out the bowties it's not necessary to remove them. I did it while they were still on the car no problem
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2011 Red Jewel Tint 2SS/RS Hurst M6.
Mods thus far:
Bowtie blackouts, Black Painted taillight bezels
Upcoming mods:
Tinted windows, CAGS Eliminator, Rear deck lid blackout, SLP Loudmouth II Axle back, CAI.