Burnt metallic finish?

I'd use Alclads pale burnt metal and highlight with jet exhaust. This would be for a lighter look. For a dark look go with the jet exhaust and then the pale burnt metal. I use the jet exhaust on the parts that would be the hottest. I also use one of Tamiyas weathering sets. It 's like a pastel in a make up compact looking thing. The one I use has burnt blue, burnt orange and oil stain. I use the blue to highlight the hottest parts. Silver with pale burnt metal looks good to. It realy depends on what look you want.

Here's a F4 exhaust I did: