Thread: 335iS Thread - [ Owners Only ]
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      03-27-2011, 11:27 PM   #393
Imperator
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Drives: 2010 E92 335i
Join Date: Mar 2010
Location: Plano, Texas

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I thought it's slightly more muted than the BMW Performance Exhaust? I know it also includes the left muffler bypass valve, but I've seen a couple people on here who have removed the stock for something more exotic.
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