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Exhaust valve...
Stupid question, but when is the exhaust valve open? For some reason I expected there to be an exhaust button to control the valve, but I see nothing...?
Is it just when the throttle response is set to sport plus? Or is is the drive logic setting? Or perhaps everything must be set in the max mode??
Thanks for the help.
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2021 Mercedes G550
2015 X5M
2020 Supra-JB4, DP
2008 M5 with muffler delete-sold
2007 650i-sold
2008 335i-JB4, DP, Meth-sold
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