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  1. Flex pipe blowing. 
    #1
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    hi guys and girls,

    So I found out today that my 2003 b6 s4 is blowing. Took her down the local exhaust place and it turns out both the flex pipes have holes in them. Anyway the guy did some searching and it turns out the downpipe and cat to which the flex are attached to will cost me 1100 pounds each with the drivers side on back order from Germany so a massive wait. Does anyone have any cheaper fixes, I.e can you replace the flex with a universal part.

    Cheers in advance

    Ali
     
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  2. Re: Flex pipe blowing. 
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    I would think a good welder could cut them out and replace with new.
    A4 2.5 tdi QS (mapped)


     
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  3. Re: Flex pipe blowing. 
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    Most indies would weld new flexies weekly cheap and cheerful repair
     
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  4. Re: Flex pipe blowing. 
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    Got both flex pipes done in the end at a total cost of 57 pounds, get in.
     
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  5. Re: Flex pipe blowing. 
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    Quote Originally Posted by kite View Post
    I would think a good welder could cut them out and replace with new.
    Exactly that. Just had it done on one of my cars (admittedly an A2 1.4 Tdi, so a little different from yours....) Cost about £120 instead of £350 for the part.
     
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  6. Re: Flex pipe blowing. 
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    Quote Originally Posted by Alex_Taylor View Post
    Got both flex pipes done in the end at a total cost of 57 pounds, get in.
    did they weld them in or use the clam on ones ? i am presuming they used the clamp ones.
    Audi 80 tdi avant with 360,000 miles...
     
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  7. Re: Flex pipe blowing. 
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    Quote Originally Posted by zollaf View Post
    did they weld them in or use the clam on ones ? i am presuming they used the clamp ones.
    They welded them in, got done cheap as it was my brothers garage and he got his apprentice to do them
     
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  8. Re: Flex pipe blowing. 
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    perfect , seemed a bit to cheap to remove the pipes to weld them, but mates rates are best sometimes.
    Audi 80 tdi avant with 360,000 miles...
     
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  9. Re: Flex pipe blowing. 
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    Quote Originally Posted by zollaf View Post
    perfect , seemed a bit to cheap to remove the pipes to weld them, but mates rates are best sometimes.
    Yeah all good, I actually cut the old ones out and he welded the new ones in without having to take the downpipe off which was a bonus, he is a good welder to be fair to him.
     
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  10. Re: Flex pipe blowing. 
    #10
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    Similar problem on my Jag diesel, a known issue, I've seen quite a few on the Audi's too

    The dealer wanted around £1200 EACH for new cats, the fix is / was new flexi pipes at around £300 - job done

    MY2008 (58) XJ X358 2.7 Tdvi Sovereign
    LWB remapped to 245bhp, Black, Ivory leather interior with black piping, 20" Alloys
    MY2007 Audi A6 2.0 Tdi SE (BRE)
    176bhpStratos Blue.Front & Rear park assist,Comms Pack High,19" RS4 alloys,Rear tints,Dipped bulbs 80W,Mainbeams & Foglights 100W,Number plate LED's,Interior LED's
     
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