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Old 12-01-2012, 08:08 AM   #9
Registered User
Join Date: Mar 2005
Location: Columbia, MD
Posts: 552
My Ride: Many
Why would you need O2 sims if you have cats? I'm confused.

If you put a cat in the system you might as well just run O2 sensors and leave the cats / sensors in all the time.
John V
'02 330Ci - Megasquirt 3 tuned by, M50 manifold, Kromer Kraft headers, Motons, widebody, etc.
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