Originally Posted by swanson
I had a 2011 E93 M3 and I did notice the exhaust got louder after some time. I thought I was gonna replace the exhaust the minute I ordered the car because the videos dont do the exhaust justice. It doesnt sound too good on vids, but I was very happy with the exhaust after starting it and driving it. Especially with the top down. I never changed it. It was just right.
Thanks for your feedback. That is precisely why I was asking if there is a break-in period, because if I need to wait to see if it gets louder/throatier in place of potentially doing the OEM Exhaust Mod then I will wait, which sounds like it might make sense. Thanks for your help.