Thread: Exhaust
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      02-17-2020, 09:00 AM   #66
Stealthall
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Drives: BMW X5 40i
Join Date: Nov 2019
Location: Raleigh NC

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Quote:
Originally Posted by M powa View Post
Anyone notice , after removing the valve and leave it open , regardless comfort or sport the entire car drones really bad
Even the front row at 1600-2000 rpm , especially cruising on the highway the drone is really really loud, almost as if it's been straight piped
It's not too bad. Yesterday I was backed up to wall and the drone was bad....normally it's a pleasant aggressive sound.

Later this week the BMS intake and Dinan piggy goes on....we'll see how the sound adjusts at that point.
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