This is what I put on the passenger side of our ACE last year:
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
Looks factory and keeps the drips away from the "living area".
Those of us that came from the travel trailer side of RVing don't understand why these MHs don't come with a factory installed drip rail like all our TTs did. When I was installing this stick-on drip rail i noticed there even appears to be a an unused slot at the roof edge for an OEM slide-in drip rail.