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      07-21-2021, 09:55 AM   #17
f87CSdrifterential
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Drives: 2020 M2 CS
Join Date: Apr 2015
Location: NH

iTrader: (4)

Akrapovic replied to my email inquiry:

"Both exhaust systems are the same. They will fit both cars. The only difference is the electronics. The Comp kit comes with a receiver control unit for the valves. The CS also has valves but it seems to be a more "PnP" which doesn't involve a separate controller that ties into the factory system."

I installed a used comp system on my CS last night without any extra electronics, everything was plug & play. Valves work as they should, very noticeable sound difference from comfort to sport/sport+.
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