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      05-10-2013, 11:19 AM   #50
stefan
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Drives: E92M3
Join Date: Feb 2008
Location: Calgary

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Garage List
2011 BMW M3  [4.17]
2008 BMW 135i  [5.00]
1999 BMW M3 VF  [5.00]
2003 BMW M3  [3.10]
2016 BMW X1  [0.00]
2001 BMW M5  [0.00]
Quote:
Originally Posted by Jonjt View Post
Spartan mufflers will satisfy the noise requirements. Even with the turbo, the engine isn't so quite as to meet noise levels for even the loudest OEM exhausts.
Not sure what you mean by this, but you can't replace induction noise with exhaust noise. Try revmatch downshifting in a 335 and you'll see what I mean.
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