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Thread: pass a MOT with decat?

  1. #1
    Regular Member Rab's Avatar
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    Default pass a MOT with decat?

    hey troops
    has anyone tried passing an MOT without a cat?
    my mate passed his MOT with his chipped PD150 golf with a decat.
    just wondering if it would work on a 1.9cdti 150 chipped?

  2. #2
    Regular Member Caveman_nige's Avatar
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    i think quite a few have done it with no probs what so ever

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    Ex-Staff Full Member John LE's Avatar
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    Simple answer, YES

  4. #4
    Regular Member Rab's Avatar
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    superb good gains with it?

  5. #5
    Ex-Staff Full Member John LE's Avatar
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    Poss up to about 10 BHP but it will drive alot more smoothly, just about to get my DTi booked in to get it done

  6. #6
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    Don't want to rain on anyones parade, but we are getting a lot of modern de-cat diesels that are very borderline on the opacity limit. Many are well over the 'fast pass' limit (1.5 m-1) and struggling to get inside the maximum limit (3.0 m-1). Some are miles and miles over! Some ought to have more sense, and remove their tuning boxes before turning up for the test.

    'Cats' (Oxidation catalyst on diesels) primarily reduce HC and CO emissions, but they also remove a good deal of the 'visible' particles of soot.

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    Quote Originally Posted by john.robertson2 View Post
    Poss up to about 10 BHP but it will drive alot more smoothly, just about to get my DTi booked in to get it done
    Not if the anti shudder valve has anything to do with it....

    Gazza4

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    Not a 'cat' in hells chance.

    Actually, the Astra with the removed.............but that's another story.

  9. #9
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    Quote Originally Posted by diesel dog View Post
    Not a 'cat' in hells chance.
    See what happens when you try and crack a joke makes some of us laugh too in a non-sarcastic way believe it or not.

    Gazza4

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