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      11-02-2006, 04:23 PM   #30
JIMD1709's Avatar
Drives: 2007 328 Coupe Alpine White
Join Date: Aug 2005
Location: Saint Petersburg, Florida

Posts: 748
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No change in MPG that I can tell. More air=more fuel. So, if you take advantage of the better air flow, my guess is MPG will decrease. I haven't notice much change. It does really snap on full throttle now I'll tell you that. At a conservative pace, you wont notice anything really. Maybe a little more intake sound. Even that is not that noticeable unless you are stomping down on it.
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