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Old 10-20-2003, 08:17 PM
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vietsb vietsb is offline
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Location: Bay Area, CA
Join Date: Apr 2003
Posts: 269
Mein Auto: 89 E30 325i, 97 E39 540iA
Originally Posted by kowached
If you are looking for aftermarket Catalytic Converters on your E39 540i, here are some options:
Thx Dave. I'll be doing the CarSound's pretty soon. Hey, you have any info on people installing 2.5" inlet/outlet into our cars? Rev was telling me to choose those at one point. I've got a little more exhaust than normal leaving my car, but don't know if the 2.5" with larger custom tubing all the way back is really necessary. Let me know if you remember any discussion of that.

E39 DIY Site: BMWdiy.INFO
E30 DIY Site: E30.BMWdiy.INFO

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