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Anyone with a 200 cell Sports CAT failed their MOT?

Discussion in 'A3/S3/Sportback (8P Chassis)' started by wanton, Jul 1, 2013.

  1. wanton
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    wanton Member

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    Hi All,
    I am thinking of getting a turbo back system with a 200 Cell CAT. The garage I have been speaking to suggests that although very rare there is a chance a 200 cell CAT may not pass an MOT. So as the post suggests anyone failed their MOT with a sports CAT?



    Cheers.
    Last edited: Jul 1, 2013
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  2. Reload
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    Reload Bird is the Word!

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    First I've heard of it mate, mine passed okay
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  3. Imteyaz
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    Imteyaz 6th Gear

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    I had a Millteck 200 cell Cat on my A3 1.8T (8L) for almost 3 years, even with 130k miles there was never a problem when it went for its emissions test.

    Sounds like scare-mongering if you ask me. You may run into issues if you have a 100cell Cat I've been told, perhaps that is what they were referring to?
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  4. bez101
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    bez101 Yorkshire & Humber Rep. Regional Rep

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    not scare mongering at all
    some will fail
    the 200 on out ST 3 failed 2 weeks ago
    but very rare
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  5. wanton
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    How long was it on the car for before it failed bez?
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  6. bez101
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    bez101 Yorkshire & Humber Rep. Regional Rep

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    oct 2012
    failed june 17th
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  7. wanton
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    Failed after 7 months? That's awful. Cant you take it up with the guy who supplied the CAT? The system I am looking at has the CAT guaranteed for 5 years. The rest of the pipe work is guaranteed for life.
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  8. bez101
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    bez101 Yorkshire & Humber Rep. Regional Rep

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    nope as said some fail the mot some dont risk you take
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  9. coreythorny
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    coreythorny Member

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    Take the car before they do the emissions test, tell to get the test ready for when you return, take the car for a true blast and ensure it gets red hot (the CAT).

    I guarentee you will not fail like this unless the CAT has failed itself.
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  10. bez101
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    bez101 Yorkshire & Humber Rep. Regional Rep

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    thats what i did
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  11. S3Alex
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    S3Alex Rarely neutral

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    I ran a Milltek sports cat system on mine with no MOT issues for a couple of years.

    As has been said though,failures do occasionally occur,but then cat failures occur in any case,sports cat or not.
    #11

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