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      11-29-2011, 04:33 AM   #66
habitat412
Private First Class
United_States
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Drives: 2008 Z4 M Coupe
Join Date: Mar 2011
Location: St. Louis

iTrader: (2)

There is a straight pipe option with room for the 02 sensors. As far as CEL DKF can say more about that or crfine since they are one of the few that have the entire system and have been running them now for awhile. As far as MPG I really can't see it hurting it.
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