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      09-29-2012, 10:52 AM   #24
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Drives: E92 335xi n55
Join Date: May 2012
Location: Switzerland

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Originally Posted by E90Company View Post
OP, I would just get a catless downpipe with the stock exhaust. This setup sounds great on the N55, and isn't overbearingly loud. It will give you the most performance, and you will hear the turbo spool much more. If you want a tad more sound, unplug the actuator in the trunk to open both mufflers at low RPM.
That doesn't solve the problem OP has...

He wants some more Performance, a sportier Sound and all that without the fear of being off warrenty...

That's actually that what i want too... And i already have the PPK and PE...
BEFORE: 130i N52 (2006-2011)
NOW: 335xi N55 (2011- )
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