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      02-13-2011, 02:29 PM   #20
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Drives: 2015 MW M3/2014 Boxster S
Join Date: Jun 2007
Location: Bay Area, CA

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Originally Posted by Dave07997S View Post
Does it help delay the CEL?


Dinan Stage 2 software eliminates the check for the rear 02 sensors, so the elbows don't do anything. Stage 2 is for their catless midpipe. (I run it with my Akrapovic)

It didn't seem to make much power on my car, but it is fine in terms of the CEL. I need to plug in my OBD-2 scanner to see if the readiness tests complete.
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