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      10-24-2012, 04:29 AM   #23
///M Power-Belgium
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Drives: ///M3-DCT- E92 Silverstone II
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Quote:
Originally Posted by Yolkster View Post
If you had bothered to carefully read my posts I stated that I agree.. the ACM and/or 4 perforated pipe method are same as straight pipes. So it would make sense in this case to just run straight pipes and save weight.

Only the OEM mod two perforated pipe method (refer to diagram above)retains the absorption and helmholtz chamber

to what degrees? Ofcourse there is going to be less dampening of sound..thats the point..its a nice happy balance still utlizing the design of the OEM cannister..
To Yolkster......... 100% agreed !
Cost me 15 USD and one day of work, and the sound is just perfect !
0 drone !!!
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