 Stringer played a key role for Munster during the 2005–06 Heineken Cup, helping the team reach their third final.Before the 2006 Heineken Cup Final, Stringer was criticised for not scoring enough tries.During the final, he saw that Biarritz's scrum-half, Dimitri Yachvili, was out of position, and Stringer quickly scored Munster's second try , helping to secure a 23–19 win, and Munster's first European Cup.