Thread: Exhaust Options
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      03-30-2020, 11:50 PM   #3
Formula94
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Drives: 2018 BMW M550i
Join Date: Jan 2020
Location: South Elgin, IL

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I have the Armytrix catless downpipes and full catback exhaust. It is loud and on the raspy side. I rarely open it up all the way because it is shake your neighbors house loud. My only real complaints are: #1 it takes a few seconds for the vacuum to build and close the actuators on the valves, so it is very loud at startup. #2, there is a dongle that needs to be kept plugged into your obd port so that you can use the remote to actuate the valves open or closed.
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