Join Date: Jun 2009
Location: Toronto, Ontario, Canada
I took the exhaust wrap off to replace the turbo.....
Take a look at the pic.
The header is made of Inconel. It turned an interesting gun-metal green color. Otherwise, it feels shiny and smooth and as good as new. The collector is a Burns collector made from 321 (an aircraft exhaust stainless). It looks scaly and rusty! Both parts get very hot (bright red). Inconel is only 0.028 thick, the 321 collector is 16 gauge.
I think, I will be making all my headers from Inconel when I can afford it!