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      07-17-2013, 01:08 PM   #485
christian.kellum
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Drives: 2011 Black BMW M3 E92
Join Date: May 2013
Location: California

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Exhaust ideas :slap:

I have a 2011 E92 and looking for HP gains...perhaps change the exhaust for a more deeper sounding acceleration.

Any ideas?

Lastly, I'm a total noob when it comes to this, but what is the benefit of coilovers?

Cheers!
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