For those that have ECM Droid or other Tuning Apps, what is the prefered ECM setting for the Automatic muffler valve?
My stock Map had the valve programmed to open on Wide Open Throttle. A Map I just got From Revision for the stock XB12 Muffler also had the same setting and they told me that map was actually an EBR Map. Other settings options are, turned completely off, or turned on the open and close throughout the Rev range.