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      02-21-2019, 08:02 PM   #66
QM
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Drives: 2020 M2CS 6MT
Join Date: Oct 2015
Location: Illinois

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Quote:
Originally Posted by C0YS View Post
Can someone explain the need for the $200 controller if the Remus exhaust plugs into the stock system?
There is no need for it per se. You can just continue using the drive modes and the valve behavior will change accordingly as before the Remus install. That's what I do. Having the controller, as I understand it, simply allows you to decouple valve behavior from the drive modes. So, you can have the valves open even in comfort mode or closed in Sport +.
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