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      12-11-2011, 08:13 PM   #3
Ateam
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Drives: M3
Join Date: Sep 2011
Location: USA

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Wow, thought more people would be pretty stoked to gain an extra 2mpg on the freeway if they were commuters!

I would assume this is "proof" that airflow is better and less restricted which also should have a good effect on power.

I would be curious if some of the other exhausts that do not use a straight pipe also help mpg

This exhaust sounds like a lambo (only at much lower volume) its awesome!
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