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      12-24-2012, 07:19 AM   #22
///M Power-Belgium
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Drives: ///M3-DCT- E92 Silverstone II
Join Date: Jul 2012
Location: Belgium

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Quote:
Originally Posted by yellowstone View Post
I'm confused so full throttle went from 99db to 93db after you performed the mod?
No...no watch the video again....!
Before mod. full trottle = 90 db
Afther mod. full trottle = 93 db (this also depends....warm or cold start,cold start is much louder ! )
99 db...was the Eisenmann exhaust that i have heard in person,
droned like a mofo !!! i have heard in person...Eisenmann,MPerformance,Akrapovic
Oem exhaust mod. 0,0 drone, with the Helmholtz chambers designed
in the oem exhaust....Helmholtz = anti- drone

Last edited by ///M Power-Belgium; 12-24-2012 at 09:54 AM.