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if you have a 4 cyl accord you gained no noticeable power it just got louder. and to make up for the 2 whp you lost at like 2-3K rpms just get a 4-2-1 header

 

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That was definately going to be my next step. But wouldnt headers make it louder?

yes. you're going with larger diameter piping, of course it'll get louder. get a nice resonator