View Single Post
      03-23-2013, 10:51 AM   #2
buildbright
Captain
buildbright's Avatar
9
Rep
907
Posts

 
Drives: 335i BMW F30 Sedan
Join Date: Sep 2012
Location: Tampa, FL

iTrader: (0)

I have been waiting for this! But this makes me relize the F30 stock muffler is a well designed unit so well I can't believe it. It's so quiet with this design I am a little shocked. But it does have a giant Hemholtz Chamber.