Quote:
Originally Posted by Demon Barber
I have the standard exhaust, not M sport, as it was not available when I ordered. I do have that button, although even with that button on, the valves close on startup. Cold starts and low speed cruising are now much more energetic. You just have to make sure the flaps are open before you pull the connector wires, otherwise they will be stuck shut.
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Button pushed and Sport Plus they are open at idle. Button alone , closed.