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      12-15-2013, 04:53 PM   #2
bjayfan
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Drives: 2014 F13 M6
Join Date: Aug 2013
Location: USA

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I think it depends on what you goal is:

* If you're just looking for a sound, then pick what you like.
* If you're looking for power, then see what matches well with tune/downpipes/etc.
* Note the the Akrapovic also lowers weight about 24 lbs. and matches well to several tunes.
* Note that the M-Performance exhaust is actually the Akrapovic and fits nicely into the warranty.
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