give Bill at QC coatings a call 586-566-6315 mine are the polished ceramic they also have black coating
best price on coating ive found and they will get all my header buissness from now on
I deal with Bill all the time for my header coating and other coatings... I had 1 minor problem with a set of headers and he took care of it.... great guy to work with and a decent price... he did the headers and valve covers on mine