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      12-04-2024, 06:08 PM   #4
cooll_m3
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Drives: BMW E92 M3
Join Date: Aug 2024
Location: Seattle Washington

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Quote:
Originally Posted by kevin @ eas View Post
Generally speaking 200 cel cats arent enough to keep the CEL off without a tune. Some of the high quality cats like GESI or HJS might keep it off but I would anticipate a CEL with a high flow catted midpipe.
This might be a dumb question, but if the cats don't solve the engine light issue and the car still smells like garbage why would anyone ever buy this system with 2 200 cell cats?
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