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    VWVortex


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    Thread: 2002 a4 3.0 flex pipe question

    1. Member
      Join Date
      May 6th, 2012
      Location
      Northwest Indiana
      Posts
      138
      Vehicles
      2008 VW R32 #4601
      10-05-2012 06:48 PM #1
      My drivers side flex pipe has a hole in it and is loud and annoying...is it possible to replace just that section? The dealer told me the whole cat would have to be changed, but i just had the passenger side replaced, so im trying to avoid another expensive job like that. Thanks

    2. Member
      Join Date
      Oct 14th, 2002
      Location
      Long Island
      Posts
      244
      Vehicles
      2002 A4 1.8TQ, 2000 S4, 2006 Range Rover Sport
      10-06-2012 09:39 AM #2
      Yes. Many muffler shops can remove the downpipes and weld in a new flex section. Some shops can even weld in a new section without removing the pipes from the car. However, while it may be cheaper--to weld without removing the pipes--it is tricky to weld the top section, and if it isn't done properly it will leak.

    3. Member
      Join Date
      May 6th, 2012
      Location
      Northwest Indiana
      Posts
      138
      Vehicles
      2008 VW R32 #4601
      10-06-2012 11:52 AM #3
      Thanks man. Gotta love dealership service....quoted me $1900 to replace the cat and said thats the only way to repair it....

    4. Member
      Join Date
      Oct 14th, 2002
      Location
      Long Island
      Posts
      244
      Vehicles
      2002 A4 1.8TQ, 2000 S4, 2006 Range Rover Sport
      10-06-2012 03:26 PM #4
      That's why I avoid the dealer. Many other Audi models use the same type of design of downpipes with flex pipe and cats, that the rear system slips over. After years of winter roads, it is not at all uncommon for these joints to fail.

      I just had the flex joints repaired on my 00 S4. $60.00 to weld in two new flex joints. However, I had removed the pipes and just dropped them off. (it's a real pain in the rear to remove the pipes though)

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