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I removed the rear deck (follow DIY for replacing rear speakers) and the shop tinted it all the way down. Although, I do have a factory spoiler w/brakelight, so the one on the rear deck was useless. I don't know if they factored that in, but I doubt it. Just remove the rear deck before taking it in and you shouldn't have any problems.

 
Rep Power: 0

Try calling a dealer that they didn't give a reference for and ask what they think of the place. If they're a great place they'll have a good rep all around.