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HondaCivicForum.com
Civic Style
Header, Intake, & Exhaust
4-1 or 4-2-1 header?
Header, Intake, & Exhaust
Custom Exhaust? New Headers? Need Opinions on Intakes? Discuss making your ride breathe better here.
4-1 or 4-2-1 header?
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Mar 28, 2005 | 12:02 AM
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sacicons
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RE: 4-1 or 4-2-1 header?
most stock manifolds are more in a 4-2-1 layout.
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