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      04-13-2009, 04:47 PM   #22
marconi118
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Drives: 06/07 e93 335i
Join Date: Nov 2008
Location: europe

Posts: 934
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E93 has exact the same exhaust as E92.
The E90 has a resonator in the X pipe, so it is less loud.

The passenger side muffler contains big resonator so it is quiet.
The drivers side muffler contains this kind of cat, in fact it is a small resonator that gives the nice sound when the flap is open.

I whould subjest only to remove the rock wool inside the mufflers, and close them.
It should give a nice sound
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