BMW 3-Series (E90 E92) Forum - View Single Post

nic_hender · 09-24-2018, 12:53 PM

Update

Catless + Muffler Delete is louder but less drony than just muffler delete. On the highway at cruise control at 76 there is no drone what so ever, even with music off. Past that it starts to become very boomy and drony.

09-24-2018, 12:53 PM	#2
nic_hender New Member 2 Rep 18 Posts Drives: 2009 BMW 335i Join Date: Sep 2018 Location: Los Gatos, CA iTrader: (0)	Update Catless + Muffler Delete is louder but less drony than just muffler delete. On the highway at cruise control at 76 there is no drone what so ever, even with music off. Past that it starts to become very boomy and drony.
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