Related, but possibly irrelevant, aFe recently came out with an intake kit for the Edge ST. Uses the bottom half of the stock air box and two cone filters. It's logical/possible they would come out with something similar for the Explorer ST soonish. Or not, who knows.
https://afepower.com/afe-power-52-10003r-rapid-induction-pro-5r-cold-air-intake-system
https://afepower.com/afe-power-52-10003r-rapid-induction-pro-5r-cold-air-intake-system