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D2 A8/S8 (1997 - 2003)

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In my experience the bad cats have quieted down when warm.
Posted by: icrashcars (15760) on 2016-04-18 17:34:09 In Reply to: Wife came home and noted that it is much quieter once the car is warm... posted by S-CARSGO on 2016-04-18 17:06:56	Share \| Report

Thread:

Ticking/Rattle noise from under D2 S8 - S-CARSGO 2016-04-18 10:32:14 (281 views)
- OEM cats are stupid expensive - I just had my local muffler guy put in a replacement cat... - skiracer13 2016-04-18 18:17:07 (224 views)
  - Apparently you can buy used cats in CA - BrainMushmouthIsTehDevil 2016-04-18 22:08:07 (184 views)
    - How does that work? - hyperlogos 2016-04-19 08:55:02 (195 views)
  - Actual Use Devours Income... ;-) - S-CARSGO 2016-04-18 18:57:53 (204 views)
- Can you rev it up a bit and record it? Mine had the same rattle due to bad catalyst converter. - kocyk123 2016-04-18 11:54:33 (195 views)
  - Wife came home and noted that it is much quieter once the car is warm... - S-CARSGO 2016-04-18 17:06:56 (179 views)
    - In my experience the bad cats have quieted down when warm. - icrashcars 2016-04-18 17:34:09 (149 views)
      - a bad engine (bearing) will generally get noisier when hot (thinner oil) lower pressure/cushion... - audinutt 2016-04-18 22:16:22 (158 views)
  - That is my hope... - S-CARSGO 2016-04-18 12:02:54 (192 views)

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