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RS4 B5 Pre-Cats

Nez Aug 31, 2009

  1. Nez

    Nez Member

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    Hi guys just find this out from the USA forum that the RS4 Pre-Cats are 400cel some as S4 :think: and I was told that the RS4 B5 Pre-Cats are 200 cel am I missing something here :)

    Details:

    RS4
    Diameter = 2.3inch inner diameter
    Pre-Cats = YES
    O2 Sensor location fore and aft of cats = YES
    Test Pipes = NO
    Flex Joints = YES (metal mesh/bellows-type)
    Cat Type = Precat-precious metal, main cat=ceramic 400cel

    I am asking this because I found a RS4 Pre-Cats for £150 :)
     
  2. aragorn

    aragorn "Stick a V8 in it!" Staff Member Moderator VCDS Map User

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    afaik its the main RS4 cats that are 200cell not the pre-cats.

    You really dont want any cat hanging off the turbo like that, get a set of XS Power downpipes from ebay, they're about £130ish iirc, and then get them mated onto the front of your existing system.
     
  3. Nez

    Nez Member

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    Cool thanks for clearing that out :thumbsup:about the XS Power I asked the seller about the downpipe if he just could sell the downpipe only as I don;t want the di-cats and I am still waiting for the reply :(

    By the way if I buy the XS Power down pipe then can I just welding it to my powerflow exhaust system :) or do I need the fitting parts :think:
     
  4. stapo69

    stapo69 All hail the mighty quattro!

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    When you say you found rs4 pre-cats, do you mean the whole downpipes? Cos you can just buy them and gut them, good for 400+ brake
     
  5. stoakseya4

    stoakseya4 Active Member

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    I have a pair of RS4 DPs for sale at the moment, currently with Cats - £150.

    PM me.
     
  6. Nez

    Nez Member

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    Yea its the whole downpipes :) for 150 :hubbahubba:
     
  7. aragorn

    aragorn "Stick a V8 in it!" Staff Member Moderator VCDS Map User

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    still need to go thru the hassle of gutting them, but it might well be the easiest option to get two shiney cats
     
  8. Nez

    Nez Member

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    Yea you right that would be easy option :) but costly one to me as I already get the de-cat I just need a downpipe with 2 sport cats.
     
    Last edited: Sep 2, 2009

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