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There may be a post up already...but I want something recent. I may do a header upgrade and I am looking for some feedback on them. What have you got? Did your upgrade prove useful? What do you like/dislike about it? Change in exhaust sound? That sort of thing.
Thanks in advace for all your help.

 
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i've got an hp with cat eliminator and it took a while to get in, but it was well worth it.. you're check engine light will come on when it gets warm again but it was well worth it, especially in the lower rpm's(but not much!) you can hear when vtec kicks in. i only paid 270 for it and it was worth it...especially if you have an intake and exhaust( i have a rear section, whatever)

 
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Your best bet would be to do a little bit of searching, there are quite a few threads devoted to different setups and reviews on them.

Crashoveride