Forced to step up their game the Leinster pack piled on the pressure and enjoyed a period of dominance in which they managed to score a push over try.
This spurred Munster on and they added a further two tries before half time to lead 22-5 at the break.
In the second half Munster pushed on past a tough Leinster defence to add a further 17 points giving them a 39-5 winning score at the final whistle.
This was a very positive performance for both sides adding to a valuable learning platform for players competing to represent their province at senior level.
Munster U18 Club Squad Selection get motivated at half time