Munster make seven changes from the side that played Cardiff Blues for the trip to Ravenhill in the Magner's League on Friday night.
The entire front row of Eugene McGovern, Jerry Flannery and Tony Buckley has changed as the Irish internationals, bar Flannery, take a rest.
New signing Brian Carney will vie with Ireland Under-20 sensation Keith Earls for the remaining place on the bench.
MUNSTER (v Ulster):
Christian Cullen; Barry Murphy, Lifeimi Mafi, Trevor Halstead, Ian Dowling; Eoghan Hickey, Tomas O'Leary; Eugene McGovern, Jerry Flannery, Tony Buckley; Chris Wyatt, Donnacha Ryan; Alan Quinlan, Tim McGann, John O'Sullivan.
Replacements: Frank Sheahan, Tim Ryan, Mark Melbourne, AN Other, Brian O'Meara, Jeremy Manning, Brian Carney/Keith Earls.