BMW 3-Series (E90 E92) Forum - View Single Post - exhaust break-in, myth or reality

MikeM5 · 10-06-2008, 11:32 AM

there is definitely a break-in period for exhausts! there was a definitely change in tone with both my eisenmann race (M3) and bastuck (335)...but i thought the changes were both for the better

do you have clips of the borla?

10-06-2008, 11:32 AM	#3
MikeM5 Future Classic 263 Rep 995 Posts Drives: BMW / Porsche Join Date: Apr 2007 Location: Chicago, IL iTrader: (6)	there is definitely a break-in period for exhausts! there was a definitely change in tone with both my eisenmann race (M3) and bastuck (335)...but i thought the changes were both for the better do you have clips of the borla? __________________ FUTURE CLASSIC \| \| Follow Us on Instagram Melbourne E90 M3 \| Jet Black E46 M3 \| Techno E36 M3 \| 997.2 C2S \| 958 Cayenne GTS
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