road warrior faring with windshield for 2014 wideglide

[tc1550]

looking to try one of these in the fall months to keep wind slightly down on the highway in fall months up here in newengland .
2014 fxdwg. bike has stock bars and risers  sizing is tough any one  recomend proper size vented non vented what size winshield they start at 9 to 15 inches its tough  to order on line cant mock one up all guess work any suggestions would be aapriciated thanks