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Hybrid K03 Turbo now available from RAI Motorsport

Discussion in 'Audi S4/A4/A4 Cab (B7 Chassis)' started by solaris, Jun 23, 2011.

  1. solaris
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    solaris Member

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    RAI Motorsports have been developing a hybrid turbo based on the K03 for the B7 A4. I believe they have managed to fit K04 internals to the K03 and they claim it will outperform a K04 turbo. They have completed testing and it’s now available to buy out right or they offer a core exchange. Its a direct bolt on solution however other mods will be required such as injectors HPFP:-


    Link to website
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  2. razza1
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    razza1 Well-Known Member

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    looks good, shame I haven't got that kind of money hanging around though :(
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  3. ChrisFurlong
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    ChrisFurlong Avantageous

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    Looks fantastic! But for that price, you can go and get an S3 K04 and all the supporting mods needed.

    I assume with this hybrid K03 you'll need injectors, HPFP, and a test pipe at the very least.
    And all extra you need to go K04 is a DV relocation kit, and a little bit of grinding to the manifold.

    Hopefully someone here gets this turbo and really shows us if this out performs the K04. Then it might be worth getting.
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  4. bez101
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    bez101 Yorkshire & Humber Rep. Regional Rep

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    not a bad price
    but a s/h ko4 and a hybrid is around the same price and more power
    there quoteing 280 my last ko4 was putting out 340
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  5. solaris
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    solaris Member

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    Those figures are quoted at the wheels not flywheel.
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  6. razza1
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    razza1 Well-Known Member

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    yeah spotted that, what kind of comparison does that work out to? seen a converter that makes the 280 about 344, so doesn't seem that far off bez, but no idea how accurate that could be...
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  7. bez101
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    bez101 Yorkshire & Humber Rep. Regional Rep

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    yes i said my last ko4 was makeing that
    now im on the hybrid ko4
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