BMW M3 G80 G82 - View Single Post - Exhaust Valve Controllers, Do they Actually Make The Exhaust Louder?

GoldfishTX · 07-06-2023, 09:14 PM

I would guess the turbo provides more than enough back pressure for the engine. There are also two cats. My guess is that the valve manipulation is more about sound, either compliance or control.

07-06-2023, 09:14 PM	#27
GoldfishTX First Lieutenant 550 Rep 369 Posts Drives: G80 M3CX, X5 50e Join Date: Oct 2021 Location: California iTrader: (1)	I would guess the turbo provides more than enough back pressure for the engine. There are also two cats. My guess is that the valve manipulation is more about sound, either compliance or control.
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