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de-catted diesels?

Discussion in 'General Automotive Chat' started by ALPINE, Jun 5, 2010.

  1. ALPINE
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    ALPINE Yes its diesel, now cry u lost

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    [Jun 5, 2010]
    someone correct me if im wrong... A diesel does not require a cat for a mot??

    is this right?
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  3. dsmclark40v
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    dsmclark40v Member

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    [Jun 8, 2010]
    That is correct they don't require them! took the one off on my discovery and never had any problems with mots
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  4. crazy88
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    crazy88 Loving the anonymity

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    [Jun 9, 2010]
    Am I right in thinking that they don't actually have a cat, but a particle filter instead. And as far as I know, the MOT is a smoke emissions test isn't it, which looks purely for excessive smoke?!

    Sam, did it change the sound much by removing it?
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  5. DJM1982
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    DJM1982 Member

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    [Jun 9, 2010]
    Yeah did it change the sounds when you removed it (as above). I'd be interested in doing this to mine aswell i think, full stainless exhaust without a cat might be coming my way sooner.
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  6. Dazmo
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    Dazmo Active Member

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    [Jun 9, 2010]
    Didnt they replace the CATS with the DPFs?
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  7. Broken Byzan
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    Broken Byzan Photographic Moderator Staff Member Moderator VCDS Map User

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    [Jun 9, 2010]
    DPF is the new cat iirc. Bin the cat, not essential for MOT.

    Vosa man may have summat to say if you get spot checked
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  8. crazy88
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    crazy88 Loving the anonymity

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    [Jun 9, 2010]
    Can't you just knock out the baffles, so externally it appears that it's still there, yet inside is near enough a straight through pipe? Nobody will ever know then.
    #7
  9. 205man
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    205man Active Member

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    [Jun 11, 2010]
    yes you defo dont need a cat mine was nicked of my l200 warrior the day before i was due to pick it up form the dealer so they fitted a new one but i reomved it as i didnt want it being taken again, as we had a spate of them being taken in the area.

    and mine has had 2 mots with no problem at all

    alan
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