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There was one guy on NAM who was running an Innovate hooked up to the narrowband inputs on the DME. I was planning to try the same thing at one point, but life got in the way.
Perhaps a naive question: what purpose does the insulation serve all around the header? Are you just protecting the rest of the engine bay from the excess heat?
From what I understand, it serves 2 purposes: keeping the exhaust heat in the pipes speeds the exhaust gas flow through it (helps savaging) and yes, it keeps the engine bay cooler.