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      04-10-2013, 04:41 PM   #28
325rider
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Drives: '11 e90 M3 6mt
Join Date: Aug 2010
Location: Miami, Fl

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Quote:
Originally Posted by M3amigos View Post
Wow this thread is over 4 years old! I don't think you will gain much from a resonator delete, the restriction is mostly in the primary cats...
resonators on the M3 should never be taken off I don't understand this. Remove Secondary cats if anything.
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