M550 exhaust. Best sound, price, performance

jrstech · 10-23-2023, 10:34 AM

Quote:

Originally Posted by ashmostro

It's a resonance. Now I have a different back box so ymmv, but your symptoms were very similar to mine

Yes it does resemble a resonance issue. Tried leaving the valve open which appears to drown out the drone!

ashmostro · 10-23-2023, 11:11 AM

Wooooo!

xander_g · 10-23-2023, 02:55 PM

Quote:

Originally Posted by Daniels1117

Why would you want to keep those hideous trapezoid things!?

subtlety

10-23-2023, 11:11 AM	#46
ashmostro Brigadier General 1254 Rep 4,088 Posts Drives: 2020 M4cs \| 2022 M550i Join Date: Jan 2013 Location: Falls Church, VA iTrader: (27)	Wooooo!
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