Originally Posted by mark896
I used a product called VHT Flameproof coating (in flat black). You can get it many places, I got it from Amazon. I put about 3 coats on and bolted it right back up. Works perfectly. One guy on here has had his painted for over a year and he's had no issues with it. It's made for headers and temps over 1500 fahrenheit so it works just fine on a muffler.
Did you remove the exhaust to paint?