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      11-27-2012, 11:29 PM   #1
Julio Perez
New Member

Drives: BMW M3
Join Date: Sep 2012
Location: Miami

iTrader: (0)

Exhaust question

Hi guys I have an 11 m3 I recently took off the secondary cats and resonator to gain more sound.. I was wondering if I could do the oem mod as well with what I've done. Is there anything I need to consider before doing this? I don't wanna lose power just to gain sound...