View Single Post
      09-21-2012, 07:59 AM   #257
Wrngway
Lieutenant
Wrngway's Avatar
7
Rep
412
Posts

 
Drives: '11 328i Sedan A6
Join Date: Jul 2011
Location: D.C. Metro

iTrader: (0)

I would be careful not to judge the sound right after install. I've replaced systems on several cars and they seem to mellow out after a break-in period. I suppose it could be the heat cycling, but I'm not really sure.