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      07-19-2011, 11:56 PM   #21
mrj25
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Drives: 2011 335i E90 LCI
Join Date: Dec 2010
Location: OC-LA, CALI

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Quote:
Originally Posted by shockin330i View Post
One could always bolt on a n54 exhaust and have 2 rear cats
hmmm that's a possibility. are there any N55ers that gone this route?