It sprays on nice. Take your time, do lots of light coats, and it'll look great.
I cured these in an old gas grill I have, I should have gotten some heavy wire to suspend my headers with so that I didn't mark up the paint in the first stage of curing, but I fixed the issue, and they turned out very good.
I'm more concerned with heat retention than overall appearance, but properly cured these should work very well.
Deafening works great got the job done and on top of that good quality performance paint primer harder for extremely hot exhaust system headers VHT is the