Header interchange
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This is a discussion on Header interchange within the New Member Hangout forums, part of the Community - Meet other Enthusiasts category; Hey i have a 2012 STI and i was wondering do headers of older STIs such as 2006 interchange?...

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    Header interchange

    Hey i have a 2012 STI and i was wondering do headers of older STIs such as 2006 interchange?

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    Registered User cflip2x's Avatar
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    The headers should be interchangeable. What are your plans? Have you done anything else to your car? Do you have a good deal on a used set or just wondering?
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    Yes. All WRX and WRX STI have the same header.

    But why?!
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    Quote Originally Posted by zax View Post
    Yes. All WRX and WRX STI have the same header.

    But why?!
    Headers are, heat shields are not.

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    Master Baiter EJ257's Avatar
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    Quote Originally Posted by zax
    Yes. All WRX and WRX STI have the same header.
    '06/'07 WRXs do not share the same exhaust manifold that '02-'05 & '08+ WRX / '04+ STI has.
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    zax
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    Quote Originally Posted by EJ257 View Post
    '06/'07 WRXs do not share the same exhaust manifold that '02-'05 & '08+ WRX / '04+ STI has.
    IIRC, if you strip the heat shield, it's precisely the same piping.
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    Quote Originally Posted by zax View Post
    IIRC, if you strip the heat shield, it's precisely the same piping.
    It's not. The angle of the cross pipes is different.

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    "Virtually" the same.

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    zax
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    Quote Originally Posted by Drews View Post
    It's not. The angle of the cross pipes is different.
    ohsnap.gif

    ouch.
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    Master Baiter EJ257's Avatar
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    Quote Originally Posted by Drews
    It's not. The angle of the cross pipes is different.
    The elbows are slightly different, as well.
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    zax
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    Quote Originally Posted by EJ257 View Post
    The elbows are slightly different, as well.
    Your elbows are slightly different.
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    The knees are similar.

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    Quote Originally Posted by zax View Post
    Your elbows are slightly different.
    Your elbows are ashy. Get some cocoa butter yo!
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    At the end of the day is there a point in swapping headers though?
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    Master Baiter EJ257's Avatar
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    Quote Originally Posted by SD_GR
    At the end of the day is there a point in swapping headers though?
    If you're referring to OE manifolds, then there is no benefit. If you're talking about aftermarket headers, there can be some nice gains depending on the modification level you're at.
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