Headers
#4
Re: Headers (10K2HVN)
its the way the headers are built, a 4-2-1 header goes from 4 tubes to 2 tubes to 1 tube. 4-1 headers go from 4tubes to 1tube. 4-2-1 headers are usually 2 peice also. 4-2-1 headers allow for more of midrange power. 4-1headers are for higher rpm uses. They allow better flow at higher rpms.
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mc_civic213
Honda Civic / Del Sol (1992 - 2000)
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05-07-2008 06:04 PM