Pro Touring 10K

What's the spoiler off of? Might have to steal that idea also. Breaks up the back and gives it a bit of dimension. Looks scratch built. I probably should stop doing body mods and hurry up and get it done! Ha! Was going to ask you, do you use Sherman Williams clear as well and how does it hold up? I'm using spies base coat which is bitchin but I just want to use good stuff but its been a while since I've bought clear so figured I'd get a few opinions.