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exhaust manifold?

Discussion in 'A4/S4 forum(B5 Chassis)' started by ian52, Apr 20, 2009.

  1. ian52
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    ian52 2000 a4 1.8tqs-yellow

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    my exhast manifold has a crack and leaks a bit now. is it worth putting on an aftermarket manifold or just stick with stock? its a 1.8t quattro sport running about 210bhp and uses a k03s. i would have thought it wont be worth getting an aftermarket one unless going for much more power but anybody have some info?
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  2. jcb
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    jcb Active Member

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    someone here got an aftermarket one for the Ko3s.
    looked good, wider runners and less restrictive around the merge collector right under the turbo inlet.
    as you are mapped already it may be worth it. unlikely to free up too much as the restriction is the turbo itself, but anything that reduces restriction of flow at the higher end is going to help.
    Don't think it was too pricey but can't remember who had it sorry
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  3. Broken Byzan
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    Broken Byzan Photographic Moderator Staff Member Moderator

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    I have a clone 034 one, an absolute 'mare to fit but is deffo larger etc
    I got mine from Ebay .com for around $99 plus ost iirc, will have to dig the link out of paypal as ebay only holds details for 90 days

    [​IMG]
    [​IMG]
    [​IMG]
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  4. ian52
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    ian52 2000 a4 1.8tqs-yellow

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    was it worth it?
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  5. docurley
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    docurley Moderator Staff Member Moderator

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    It moves the power band so you get a better mid and top end but a little more lag bottom from what people have posted so more of a K04 upgrade I would have thought.
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  6. Broken Byzan
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    Broken Byzan Photographic Moderator Staff Member Moderator

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    for me yes, and it's exactly as the Doc says, but as i am running a hybrid it comes in quite early anyway TBH
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  7. ian52
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    ian52 2000 a4 1.8tqs-yellow

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    hmm. i like how it comes in good mid range just now anyway. ill prob just stay stock i think.
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  8. Soupie69uk
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    Soupie69uk Owner

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    I have the 034 one as well.

    I would just see which you can get cheaper if your never going to change the turbo etc.
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  9. ian52
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    ian52 2000 a4 1.8tqs-yellow

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    ill have a look and see how cheap i can get one. i would like to put a bigger turbo on there one day but doubt it will happen.
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  10. jcb
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    jcb Active Member

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    keep an eye on ebay, I sold mine there for £12!
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