Recommended to me ...Manifold Coating
 

Someone gave me this URL, said they coated their manifold on their talon, and it works well.

http://www.techlinecoatings.com/BulkExhaust.htm

You're looking for TurboX on that page, 8oz is about 50 bucks, and I think is enough to do two manifolds (airbrushed or other sprayer method required)

http://www.boostednw.com/jason/images/techline.jpg

Also, there are some places that do the application for you

NW here are some, this is all on the website everyone else.

Oregon

Finish Line Coatings
Oregon
Phone: 503-659-4278
www.finishlinecoatings.com

Idaho

Ace Powder Coatings
5445 Heyrend Circle
Idaho Falls, ID 83402
Phone: 208-528-7357