Ok I have searched on here for an hour and can't find anything so please help or refer me to an old poast that I did not find.

I have an ls vtec in a 91 hatch and have an old dc header. I want to chop the flange off mill it flat and start from there. I would like to build a 4-1 header. I need tube length and diameter and all that tech info. please help me

 

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what kind of DC header is it? if you mail that to me ill mail you a brand new head flange kinda like a trade, so you dont have to go wasting a perfectly good header.