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{{newarticle}} ==Header wrap== Header wrap is material used to wrap around headers to reduce radiant heat. ===Header wrap pros=== Claims made by header wrap manufacturers ('''subject to bias: need to be verified or debunked'''): *Helps retain heat in the exhaust system, which maintains hotter exhaust gases, decreases density, and allows exhaust gas to exit faster. *Promotes greater exhaust scavenging and lowered intake temperature, which leads to increased horsepower. ===Header wrap cons=== *May void warranties of header manufacturers. *Holds in so much heat that the header metal fatigues and cracks. ==Ceramic metallic coatings== ==Porcelain coatings== ==Aluminum spray== ==Header paint== ===Header paint cons=== *Prone to bubbling. ==Alternatives== *Insulating the engine compartment. ==Needs to be researched== *http://www.alvinproducts.com/ *Cerakote Chromex (details on prep need to be listed with this product) *http://www.CaswellPlating.com *POR-15 hi-temp coating *Black stove polish *[http://www.eastwood.com/ew-stainless-steel-hi-temp-paint-pint.html Eastwood's stainless steel exhaust manifold paint] *Zebrite black grate polish (or Hotspot black grate polish, made by Hydrachem, a UK company) *Hi-T pot belly black ==Discussions== *http://www.hotrodders.com/forum/header-paint-156388.html (has lots of good pics that can be used) *http://www.hotrodders.com/forum/header-wrap-163033.html
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