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      02-13-2013, 06:20 PM   #27
Knowledge Reigns Supreme
Drives: 2007 328i
Join Date: Aug 2012
Location: Bay Area, CA

Posts: 65
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Originally Posted by cuiter23 View Post
AA is definitely not as loud as a muffler delete, hence the extra resonator in place of the muffler. Why would you want an exhaust that is quiet? :
the aa isnt particularly loud, theres just a lot of harmonious droning caused by the low frequency sound waves emitted from 1.5-2.5k rpm.

Some might find it agitating. Driving in manual or sport mode helps
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