BMW M3 and BMW M4 Forum - View Single Post - Does the stock exhaust break in at a certain point and get deeper?

CaryTheLabelGuy · 07-13-2016, 07:26 AM

Yes, actually. It does get slightly deeper.

The main reason is because carbon builds up inside the pipes and inside the rear silencer. This changes the tone, slightly.

07-13-2016, 07:26 AM	#3
CaryTheLabelGuy Colonel 2634 Rep 2,809 Posts Drives: 2016 M4 ZCP Join Date: Mar 2015 Location: Jacksonville, FL iTrader: (0)	Yes, actually. It does get slightly deeper. The main reason is because carbon builds up inside the pipes and inside the rear silencer. This changes the tone, slightly.
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