SATURDAY'S victory at Temple Hill was Constitution's second successive big home win. Having disposed so easily of Blackrock, Constitution powered their way to another win that yielded over 40 points.
The lead changed hands seven times inside the opening 24 minutes but then Constitution cruised effortlessly away to an emphatic victory.
Young winger Anthony Horgan ran in for two tries and Ken Murphy also snatched two, with Jerry Murray, Brian Walsh and Dave O'Brien each getting in on the act.
Ronan O'Gara kicked two penalties and three conversions and Dungannon responded with tries by Ashley Blair and Alan Hutchinson, while Keith McGarry added four penalties and a conversion.