Thread: Muffler deleted
View Single Post
      01-02-2013, 11:53 AM   #22
kirillbmw
Second Lieutenant
10
Rep
286
Posts

Drives: 328i Convertible
Join Date: Mar 2011
Location: Woodland Hills

iTrader: (0)

i did that mod about a year ago res and muffler delete and no drone or problems sounds really nice, however less back pressure less torque but more HP