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      04-05-2010, 03:39 PM   #33
shiv@vishnu
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United_States
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Drives: X1, 335i
Join Date: Sep 2006
Location: SF Bay, CA

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Also, the stock exhaust on the 135 is hopelessly restrictive. Only 1 muffler, not two like the 335. You're traps are already beyond what I would expect with your mods.