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      01-05-2012, 11:09 PM   #77
nchan50
Second Lieutenant
 
Drives: 2009 JzB/FR e92 M3
Join Date: Feb 2011
Location: NYC

Posts: 208
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Quote:
Originally Posted by talontid View Post
It is essentially the same thing. The only benefit I see is the ability to retain the OEM look; however, the OE muffler is heavy so I would def want to ditch it altogether. I actually just cut the muffler right before the can and welded on two straight sections of pipe with new tips and I can't believe how good it sounds. Def a little loud, but manageable considering there is 4 cats and 2 resonators. I have to get some pics/sound clips up.
My understanding is that doing this would get rid of the helmholtz chamber and lead to a lot of drone. I'm not an expert and just restating what I've read elsewhere. Btw, I also did the ACM exhaust mod and it sounds unbelievable. Definitely gives more of that angry V8 growl and sounds great when you open up the throttle on the highway. I didn't want something obnoxious and this is a good balance. Sounds even better in person than in the videos.
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