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      11-20-2012, 04:30 AM   #12
phil200tdi
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Drives: 335i M Sport E90 LCI manual
Join Date: Jan 2011
Location: Aylesbury

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Quote:
Originally Posted by Yoro35i View Post
Phil,

that thing that looks like an X thing is the central silencer??

did you change the whole system and running no cats??

Its a google image.

I have an E90 so mine is slightly different - I have Catless DPs and stock from there onwards.

My assumption is that the X thing is to mix the exhaust gases in the mid pipes, its not big enough to be a muffler. The link between the two rear boxes does the same and apparently helps to reduce drone.

I would add a pair of resonators to the catless mid pipes smoked is selling and away you go!
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