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      09-13-2019, 05:45 AM   #229
core22
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Drives: X3 M40i / 911 C4S
Join Date: Aug 2015
Location: Southeastern PA

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Quote:
Originally Posted by Hasser View Post
is there a way to control the valves wiht the Akra system?

or is it left up to the OEM settings?

as i see akra do a sound kit for some models but not the M5 system. is that because its vacuum controlled and not electronic?

can anyone explain the differecne between the vacuum and electis systems of valve control?
You can control the valves with an Exhaust Meister. It works with the OEM exhaust, as well as all aftermarket exhausts that include valves such as Akra and Dinan. It installs in the trunk, between the factory valve controller and the exhaust valves, and is controlled by an included remote control used to open and close the valves on-demand. You can also program the buttons in the rear view mirror to handle these functions for a cleaner operation. In the default setting it acts as a simple pass-through, allowing the valves to be controlled by the ECU. Installation takes 10 minutes or less once you familiarize yourself with various how-to videos.
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Current:
2019 911 targa 4 | GT Silver Metallic
2019 X3 M40i | Glacier Silver

Past:
2013 911 C4S | 2019 X2 M35i | 2015 M5 Comp | 2013 M5 | 2013 640i | 2010 535xi | 2007 525xi
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