differences
#1
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differences
ok im sorta new on the engine mod thing, whats the difference on a 4-1 header and 4-2-1 header? i heard that a 4-1 is more for racing. lemme know thanks
#4
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that's pretty arguable. materials, welding, and collector size all make a big difference. it would really benefit you to look on honda-tech.com and hit the search button and type in "header" or something along those lines. or do a scan through the Tech forum there.
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