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Re: Lose the "Cat" (archive)
[ Follow Ups ] [ M5 (E28) Message Board ] [ Msg. Board FAQ ]
Posted by Jon on March 15, 2001 at 14:37:44:

In Reply to: Lose the "Cat" posted by Rundel on March 15, 2001 at 12:36:42:

I installed a BB-Tri FLow exhaust and replaced the cat with a custom made by-pass pipe. I have a similar set up described by JakeS whereby I can swap out the new pipe with the cat when emissions are due (every 2 yrs). In my case the noise level is greatly increased much more than I had expected. I didn't notice it at first from inside the car but when I started the car in the garage one day it was real loud so I had someone else drive it around the block and it is much louder and sounds more mechanical without the cats.

Hope this helps!!


Jon Kofod
BMWCCA National Capital Chapter
88 M5



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