Chris NottMonster Motorsport
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  1. #1
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    A3 replace CAT cost

    Have had nasty rattling sound since the heavy snow which has been diagnosed as CAT - have been quoted Ł350 (Kwik Fit) to Ł600 (4 Rings - official audi part). Any other places recommended

    Is there much difference between official /non audi parts? I been told that with non audi part I am likely to get engine management light coming up - is this true? Also should I get rest of exhaust changed at same time?

    Cheers
    Last edited by donerkebab; 27th January 2010 at 16:09.

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  3. #2
    RyanGolfGTTDi's Avatar
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    If your cat needs replacing ask people on here..

    Depending on your model I have a cat..

    Mines from a FWD 1.8T.. if it fits, ill sell it, it was taken off straight after passing mot so I can decat car.

    <<Ryan
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  4. #3
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    Quote Originally Posted by RyanA31.8T View Post
    If your cat needs replacing ask people on here..

    Depending on your model I have a cat..

    Mines from a FWD 1.8T.. if it fits, ill sell it, it was taken off straight after passing mot so I can decat car.

    <<Ryan
    Mine is a 2002 A3 1.8 SE (non turbo) - will yours fit? How much you looking for if it fits? PM probably be better.....

    "Is there much difference between official /non audi parts? I been told that with non audi part I am likely to get engine management light coming up - is this true? Also should I get rest of exhaust changed at same time?"

    Still concerned a non stealers has told me this - any truth to it? I just want a quick fix so I can resell before MOT

  5. #4
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    Your best bet is to buy a sports cat there around 150-300 pound 30 mins to fit

  6. #5
    Keeno's Avatar
    Spooly Spooly Boosty Boosty!

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    Cat is a Cat is a Cat. One from Timex will do exactly the same job as one from Audi for half the price, cos I can promise you that Audi don't manufacture the Cats they fit to production cars anyway...
    Cheap and Reliable is not Fast. Cheap and Fast is not Reliable. Fast and Reliable is not Cheap!

  7. #6
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    Quote Originally Posted by Keeno View Post
    Cat is a Cat is a Cat. One from Timex will do exactly the same job as one from Audi for half the price, cos I can promise you that Audi don't manufacture the Cats they fit to production cars anyway...
    That is what I was thinking but independent audi-specialist claims 2 cars this week had cat changed by kwik-fit caused engine management lights..... I smelt BS

  8. #7
    Welly's Avatar
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    Would it not be a good time to consider investing in a sports cat.....?
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  9. #8
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    Quote Originally Posted by Welly View Post
    Would it not be a good time to consider investing in a sports cat.....?
    You probably know about my cold start problem - I am getting rid of it as soon as weather warms up - just want cheapest fix possible - the nasty rattling is a bit of a giveaway....

  10. #9
    Keeno's Avatar
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    Quote Originally Posted by donerkebab View Post
    That is what I was thinking but independent audi-specialist claims 2 cars this week had cat changed by kwik-fit caused engine management lights..... I smelt BS
    EML wouldn't be down to the cat. The fitting of the cat maybe if they knock something loose etc., but not the cat itself.
    Cheap and Reliable is not Fast. Cheap and Fast is not Reliable. Fast and Reliable is not Cheap!

  11. #10
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    Crappo - engine management light came on during drive to work.
    Got RAC out to scan it - non VAG COM scanner - code P0420

    DTC Definition: Catalyst Efficiency Below Threshold (Bank 1)


    Cleared code but definately needs to get cat changed asap - anyone know how many sensors are around the cat?? Might have to risk Kwikfit to get it done ASAP.....

  12. #11
    MIKE GTR's Avatar
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    http://www.eurocarparts.com/ecp/c/Au...156f4ee28&EPCC

    There you go, standard cat from eurocar parts, I assumed yours was a 1.6 and put in year 2000, but it gives you an idea of cost

  13. #12
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    Just quick update to story - finally got cat changed - aftermarket cat for 390 all in- they mentioned back pipe bracket was loose so need rewelding. Sounding and driving a lot better. But checking the rear the exhaust pipes have now gone back in even more than before ie you need to looking under the car to see the tail pipes. I questioned this and they say aftermarket cats shorter and hence tail pipe was moved.....

    Any truth to this?? I say fair enough if Kiwk Fit but this was a VW/Audi independent - really dont want to name and shame......

  14. #13
    MIKE GTR's Avatar
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    If it was shorter i'd be suprised if the rest of the exhaust lined up on the mounts - sounds to me like they rewelded the bracket in the wrong place or simply haven't adjusted the fitting on the rubbers enough - you should be able to undo the exhaust clamps and pull out a little bit to move it forward

 

 

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