No offense meant but I'm guessing it's being ignored as it sounds like pass the buck BS, to me anyway. Having owned a classic car resto/ repair shop for 25 years the only coating that has held up over time is Jet Hot or VHT.

That was my take, too. I only asked on the odd chance that there was some merit to it. I had never hear of spraying anything on headers. At least as a protectant.


Believe me, we have tried many. The manufacturer applied coatings are a flat rip off IMO. One is lucky if they hold up more than 1-2 years in the collector area and near the exh ports

That has been my experience, too.