The game was played outdoors at Michigan Stadium on the University of Michigan campus before a crowd of more than 100,000 in snowy conditions and temperatures in the teens.
After Tomas Tater was stopped on his try, Bozak sent the puck just inside the left post for the game-winner.
Bozak put the Maple Leafs up 2-1 into with a tip-in before Abdelkader got the Red Wings even.
Detroit fired off 43 shots but Toronto goaltender Jonathan Bernier was able to stop 41 of them, including 14 in the third period.
Howard would up with 24 saves on 26 shots.
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