Exterior is ceramic without the typical aluminum flake that oxidizes and looks like chit in a year. Internal is flow coated providing real reduction in exterior temps. This is the stuff you want to use.
I doubt it is necessary since they break and don't loosen right? I used them for the headers just because of the heat expansion that can lead to leaks.
'Shudda taken the photo from the OTHER side, Mike. ('Pass. side is in the shadows and therefore doesn't show the darned wheel color very well at all.) :frown
Decal? No decals all paint. Its the Goodwood Road Racing Company crest. I didn't take the pic. These guys are car builders not photogs. Its not even done yet... I'll have more pics soon enough.