Can any of the mufflers with the vacuum valve bypass be controlled via manual mode? This would be equivalent to what I used to have in my C6 ZO6 which everyone called the "man switch".
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2021 M340i
2020 X3 M40i - her car
2019 M5, AW, DP's, MSR CAI, BM3, SOLD
2020 Chev. ZR2 Bison truck, Daily Driver
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