header question
02-17-2001, 01:31 PM
#2
All cars have an exhaust manifold (or 2).
A header is a specially tuned manifold designed with high performance in mind. Most OEM manifolds are made of cast iron so they can carry as much heat as possible to the cats. They are also designed to be cheap and to take up as little space as possible. Headers are usually steel tubing that is designed for good flow. These also weight less than cast iron. Wrapping a header with header wrap will carry away just as much heat as a stock cast iron manifold.
A header is a specially tuned manifold designed with high performance in mind. Most OEM manifolds are made of cast iron so they can carry as much heat as possible to the cats. They are also designed to be cheap and to take up as little space as possible. Headers are usually steel tubing that is designed for good flow. These also weight less than cast iron. Wrapping a header with header wrap will carry away just as much heat as a stock cast iron manifold.
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