I just finished installing my new MOKI / MARK 2.10 into the sundowner. It was if the plane was made for it. Could not have been any easier to install. Also, it would seem as though the sundowner kit that I have was very well made. I can tell that hangar nine has been listening, and made some changes to the kit. I will be going out of town for a couple weeks, but should have the maiden report when I return.