Is the DEI wrap tough enough to wrap the exhaust manifold with? I've heard a lot of these products just fall apart because that area is so hot. I'm wondering if I should assemble a heat shield around the turbo section and wrap THAT, so there's some air space between the two.

 

If your talking about the FD stock twin turbo exhaust manifold, I'd think it's shape would be impossible to wrap. You could have it heat-coated. Companies like Jet-hot can do it.

 

For reference, this is what your stock exhaust manifold looks like (random picture..not mine):







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unwrapable!