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NC135 · 02-21-2012, 12:27 AM

Bringing it back from the dead. I've seen a couple exhausts with a 'balancer tube' to get rid of the french horn sound. Would you recommend doing that? Also, how bad is the drone at highway speeds?

02-21-2012, 12:27 AM	#8
NC135 Private Drives: 2008 135i AW 6MT Join Date: Feb 2012 Location: Charlotte, NC Posts: 71 iTrader: (0)	Bringing it back from the dead. I've seen a couple exhausts with a 'balancer tube' to get rid of the french horn sound. Would you recommend doing that? Also, how bad is the drone at highway speeds?