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      01-01-2014, 06:13 PM   #4
///M Power-Belgium
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Drives: ///M3-E92-DCT Silverstone II
Join Date: Jul 2012
Location: Belgium

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Quote:
Originally Posted by edwinm3 View Post
That sounds damn good, anybody knows if it drones?
Yes, but only a little bit(2K-3K rpm) due the Helmholtz chambers of the Oem. exhaust ,and will drone more with any other after market exhaust !
With only the Oem. exhaust mod. without test pipes 0 drone !
BTW...depends also of what kind of Oem.exhaust mod .
1- Replacing the 2 big perforated pipes (by 2 full pipes)
2- Straight through method (also called ACM method)
With # 1- less of drone !
>>>http://www.m3post.com/forums/showthread.php?t=733817
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Last edited by ///M Power-Belgium; 01-01-2014 at 06:24 PM..
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