Thread: Dyno of Fabspeed cats, X-pipe, and ECU tune
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      04-15-2009, 02:54 PM   #21
J08M3
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Drives: 2011 M3 COUPE
Join Date: May 2008
Location: NEW YORK

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Originally Posted by Active Autowerke View Post
J08M3,

The cat has a CFM of 578 and is metallic. We have tested both 200 cell and 300 cell cats which both produce codes on the E46 M3 and E9X M3, same goes for SS HFC.
Do you know the OEM cat CFM?
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