JACK Crowley's 78th minute drop goal was the difference as Munster won an Aviva Stadium classic and put themselves in the URC final in Cape Town in a fortnight's time.
Graham Rowntree's Reds upset the applecart big time as they beat their rivals Leinster for only the second time in the last 12 attempts - and for the first time since a Rainbow Cup fixture in the 2020/2021 season.
And, after 12 defeats in 13 previous Lansdowne Road visits against Leinster, this was a celebratory occasion on what had been an unhappy hunting ground and it means they will face Connacht's conquerors - the defending champions, the Stormers - on May 27.