JB 15 SRT,
I did take it to my local powder coater, but instead of normal coating it is a high heat ceramic coating capable of withstanding high temperatures. This type of coating is done for exhaust systems where as normal powder coat would be for items that wont necessarily see heat fluctuations. I didn't use these guys but they have been doing ceramic coatings for years, good info never the less.
Jet-Hot Ceramic Coatings
Not the best picture but here you can see what it will look like. I used the ceramic coating on the SS exhaust system on my old truck. It had a duramax diesel and I never had any issues with the heat.