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Thread: Down pipe question

  1. #21
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    I saw that you are going to run phase 2 down the track, but curious are you phase 1 at the moment with those exhaust mods or standard tune? Does the exhaust use an angled spacer for the rear O2 sensor or a standard fitting?

  2. #22
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    Quote Originally Posted by sambb View Post
    I saw that you are going to run phase 2 down the track, but curious are you phase 1 at the moment with those exhaust mods or standard tune? Does the exhaust use an angled spacer for the rear O2 sensor or a standard fitting?
    I'm standard tune at the moment and no angled spacer.

  3. #23
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    Why would you use an angled fitting anyway
    08 9n3 Polo GTI
    Mods: heaps

  4. #24
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    The angled spacer creates a standoff for the rear O2 sensor so that it only sees a small portion of the real exhaust flow. It is basically a hardware mod that makes the rear O2 sensor/ECU think it is seeing the same exhaust flow with a high flow cat installed that it saw previously with a standard low flow cat.

    On a standard car with a high flow exhaust and no angled spacer, the rear o2 sensor will basically see huge exhaust flow compared to what the ECU expects to see. ie. out of range readings. The ECU will assume an exhaust malfunction and trigger the warning light.

    The spacer is needed if you have a standard ECU or a tune that hasn't had the exhaust warning ticked off.

    A tune written to prevent the CEL is guaranteed to work and may also have more appropriate fueling/timing to go with the exhaust. Using a spacer is is less certain to prevent the CEL.

  5. #25
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    I did read something along those lines sambb. As I was going to get the tune I wasn't too worried about the light coming on (exhaust guy confirmed it would more than likely happen as well).
    Mods >1

  6. #26
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    I know its an old thread, but I'm also in Brisbane and keen to get my downpipe done as well... can I ask roughly how much you paid Paazazu? (Or anyone else who feels like chiming in).

  7. #27
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    Quote Originally Posted by SuperChimps View Post
    I know its an old thread, but I'm also in Brisbane and keen to get my downpipe done as well... can I ask roughly how much you paid Paazazu? (Or anyone else who feels like chiming in).
    I think it was about $900 all up (downpipe + Xforce euro 4 200 cell cat) - quality and workmanship was top notch. Steve @ Valley Mufflers Valley Mufflers - Brisbane's permier exhaust fitters for mufflers, catalytic converters, tow bars, and extractors
    Mods >1

  8. #28
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    Sounds good. Cheers mate. It's good to get a recommendation for a place where you know they've done the job before.

  9. #29
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    If anyone is interested, I'm flirting with the idea of parting out my polo which would mean the full exhaust system would be up for grabs. Included would be an APR downpipe with O2 sensor spacer and an X-force rear muffler. PM's are welcome should one of the polo guys be interested.

  10. #30
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    Not interested in the exhaust but certainly interested in bits you may want to part with.
    08 9n3 Polo GTI
    Mods: heaps

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