Our 2016 came factory with a 2nd awning on the curbside slide, so it can be done.
I would think you would have to contact Jayco for a schematic and to see if the slide was built with a proper header to secure the awning rail to and wall bracing for the arms.
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2003 GMC Serria 2500HD - Lotsa Mods.
2016 355MBQS
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