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      05-17-2013, 06:27 AM   #4
CombatNinja
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Drives: e91 328i, e90 328i, e90 335i
Join Date: Feb 2011
Location: United States

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335is is close to the Performance Exhaust. Close enough that I wouldn't bother making the swap. One thing to consider is that the 335is is N54-powered while your 2011 335 was N55. Those always sound a bit different even with identical exhaust setups. Not to start a flame war but I think the N55s sound a bit better all things being equal.