I am trying to decide which color of exhaust wrap to get: tan or black. Intuitively, it would seem that black would be the better color since it holds more heat, but does it really matter? I would be wrapping the exhaust manifold and downtube of my car.
You said downtube, That leads me to believe you have a turbo. If thats the case are you trying to deflect heat off of something. If that is indeed the case you need to have an aluminum deflector made and should have stainless pipe you don't want to cover. If this is not the case then chances are you have a header made from steel and wraps can severly shorten the life of a header due to rust, wraps encourage rust. In that case buy a ceramic coated header, it's cheaper in the long run and hell no color doesn't matter.
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