Quote:
Originally Posted by Dackelone
Here is another friend's N55 135i that New Fiftyninefifty did a muffler delete(ala M3 style). He cut open the factory muffler and bypassed the perforated internal exhaust pipes. It sounds AWESOME!
Here is the exhaust mod on an e9x N54 335i...
Attachment 1052146
Attachment 1052157
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Why does that 135i with exhaust mod sound better then an M4 with Akrapovic!?!
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