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im trying to find out wich header is better 4-2-1 or 4-1-1? thank you.

 
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4-2-1s are generally better. the exhaust gases flow together with less turbulance than the 4-1. 4-2-1s are also more expensive.

 
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turbo header perferably equal length.

 
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4-2-1 headers are way better. Most ppl would tell u to go wit the DC Sport header, i got the ceramic one.

 
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can you use a turbo header without the turbo? i know someone around here must of tried/

 
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how much did you pay for the DC Sport?

 
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Well, b4 i was introduced to my best friend, Mr. eBay, i payed full price for mine, about $400, but ive seen them on ebay for about $200. Theyre really good and really easy to install.

 
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ahh thank you i was realy thinking of geting the dc sports header and cat back.
but i was also think of megans cat back?

 
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No no, go wit the DC exhaust, theyre made for eachother, so y have different parts? Wat else r u lookin to do wit ur car?

 
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i was also thinking of geting an apex air/fuel mix controller.

 
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sorry to babble on your thread

which header would be better for obx catback??
i'm thinking kamikaze ceramic.. i don't really want to get stainless

 
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lol i dunno but i think it would be funny to see.

 
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All stainless is gonna do is turn all kinds of pretty colors when it heats up, ceramic wont, plus theyre a little cheaper. Go wit the DC also.

 
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kamakazie is the best header for our cars performace wise. but since its all of a maybe 4hp gain just get a cheap stainless header and let it become pretty.

 
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wat year civic u got?

 
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o3 ex coup

 
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Ok, same model as mine...........heres wat i found............
Used DC Header

 
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Heres a new one, but from a different source, its on u if u wanna get this one. Remember, u get wat u pay for.
DC Header

 
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I got an HP Racing 4-1 header on mine. Not sure how well its working, i got it used. But for $40 im not complaining

 
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that one is a 4-1-1 thugh i found one at cardomain.com that is 4-2-1 caost a lil more thugh sry i didnt say this erlyer but thank u for the help

 
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well Ive read a thousand similar threads, and the general consensus is:

DC Sport = same as stock but prettier
HP = some gains but must cut engine mount on Ex
Kamikaze = some gains, no engine mount destruction, more expensive

Ceramic keeps heat in slightly better which means better air flow, but wont outlast stainless.

 
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4-2-1 will lose your cat and thus its not emission legal. 4-1 lets you keep the cat on an EX

 
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but oh yeah as for the question, i think 4-2-1 has better low end torque gains, and 4-1 has better high end power gains, all else being equal.

 
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hmm....DC sport header sucks. the piping isnt that much bigger then stock piping. dont waste your money on it. get either kamikaze header, HP, or megan racing.