How hot does header get?
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Originally Posted by 4drcivic2k1
I know of many headers that glow red during operation. Formula cars, high power turbo, etc, but a stock manifold should not glow. Gearbox, if you ported the inside of the header I honestly wouldn't worry about it rusting, as it will have a good coating of carbon about 30 seconds after you start it for the first time.
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My stock ex header didn't glow, but I could see a ring of buildup inside the pipes. This is bad because the stock header ports are already so tiny.
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