Any reason to not coat headers?

[samthejam]

Got some €uro headers and there’s a Houston place called PolyDyn that’s pretty highly recommended.

https://www.polydyn.com/

I don’t see any downside to getting them coated? Should protect from corrosion and maybe keep some heat down in engine bay. Make sense to do that?

[digger]

if going to spend the money get the swain tech white lightening, the other stuff is glorified paint. Downside is mainly just cost and harder to repair if there is some kind of failure