The ceramic is good up to 2000 f. Normal paint or powder coat are not rated for this use.
Of course any ceramic coating that you apply yourself will be much cheaper than paying a professional detailer to do it for you.
Do it yourself ceramic coating for headers. It comes down to man hours and expertise. I used a cheap o harbor freight hvlp spray gun gasp and black satin ceramic header paint that i bought from powder buy the pound. Make sure to inspect the pieces to.
There are many benefits of using ceramic coating on your car which i m not going to cover in this post as i have discussed the topic at length in a post i did a little while back. Using these tips you ll learn how to make your own muffler design a custom exhaust system or learn how to cool down your headers for more power in the exhaust category. No offense but the pro is more than likely going to do a much better job than you will.
Ceramic coatings have seen a huge surge in popularity over the last number of years in the detailing world and for good reason. Nothing gives you satisfaction like knowing you built it yourself. When spraying start with the hard to reach areas and then make the big sweeping passes.