I know its a different model year, and there has been lots of changes, but i think it might still work for AWD. Speaking of, aren't all pilots AWD? i have never seen just a FWD model.
http://www.piloteers.org/forums/98-towing/38274-diy-08-pilot-honda-pilot-firestone-coil-rite-air-bag-helper-springs.html
also check this out: https://www.etrailer.com/susp-2011_Honda_Pilot.htm