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      06-21-2013, 02:55 PM   #21
Innovative AutoConcepts
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Drives: 2009 Z4 E89 Alpine White
Join Date: Sep 2012
Location: Rockville MD

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Quote:
Originally Posted by RedRabbit View Post
Finally finished my supersprint header/midpipe cat delete install. Now producing no CEL after a few days of trying to figure out the original O2 sensor configuration. If anyone does this, make sure to mark during removal whether it is bank 1 or 2 and upstream or downstream otherwise it will shoot off with CEL after CEL for multiple cylinder misfires. She now sounds great feeding into the Remus mufflers and pulls harder with a nice burble when letting off the throttle.
Very nice, do you have a sound clip? Interested in hearing. =]
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