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jdm vs usdm header?

 
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  #1 (permalink)  
Old 10-23-2007, 11:19 PM
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jdm vs usdm header?

i was going to buy a megan racing header and it says for usdm h22 or h23, and it says "WILL NOT WORK WITH JDM H22". what is the difference. i dont understand why the jdm and usdm h22 headers would be different. if it helps i have a usdm prelude with a jdm h22 swap
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Old 10-24-2007, 12:33 AM
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why is it that someone posts a topic like "car speakers" and gets 3 pages of replies but i ask a legit question and get none ever. lol i joined this forum to answer some questions. is this newb hate or are my questions just simply beyond anyones intelligence.
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Old 10-24-2007, 12:58 AM
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if your buying a header that claims it works for both the H22 and H23, than uhhh.......



i'd stay away from that one.
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But you need that scoop on the hood. Is it true that they're big enough to fit your lunch box and all your camera gear in it?
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Old 10-24-2007, 10:49 PM
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The exhaust ports are a different design on the H23 from the H22, so I would be straight up suspisious of one that said it fitted both.

As far as I know, there'd be no reason why you couldn't bolt a header from a JDM engine onto a USDM one, so long as it wasn't an ATTS header. The ATTS models were different (but only on the down pipe I believe) so make sure you don't get one of them.
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Old 10-24-2007, 11:43 PM
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Yeah questioning the intelligence of those on the forum will certainly win you some friends and assure that all your questions are answered promptly from here on out.
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Old 10-25-2007, 09:40 AM
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Word. H23 and H22 headers aren't interchangeable.
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Old 10-25-2007, 10:30 AM
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no difference between a jdm h22a and a usdm h22a*. there's a difference between the h22a and h23a. so i'd say the dude's trying to sell a h23a header.

and sorry... i would have replied earlier. if i wasn't out there on the fire line working the fires.
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Old 10-25-2007, 12:24 PM
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Quote:
Originally Posted by Brash View Post
But you need that scoop on the hood. Is it true that they're big enough to fit your lunch box and all your camera gear in it?
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Old 10-27-2007, 02:25 AM
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sorry for that comment. i have been waiting for a long time for my car and i just got really impatient. i just needed advice really quick.
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New years resolution... forced induction by summer

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Old 10-27-2007, 10:56 PM
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A Type S header is different though. I believe it's 2.25"
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Old 10-28-2007, 05:47 PM
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i bought the megan racing vtec header. hope nothing else goes wrong
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JDM H22a 4ws


New years resolution... forced induction by summer

If you boost it, they will cum
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Old 10-29-2007, 10:07 PM
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Quote:
Originally Posted by Si Speed View Post
A Type S header is different though. I believe it's 2.25"
There's a diagram somewhere showing the difference. I'll see if I can find it.
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