The hosts enjoyed an 18-point lead at half-time after tries from Morne van den Berg, Henco van Wyk, and Marius Louw.
The 56-strong selection will meet in Cape Town for a three-day camp ahead of a Test season that begins with the July visits to South Africa from Italy and Georgia.
Stormers captain Deon Fourie has accused Leinster of a lack of sportsmanship for their antics against his side in their URC clash at the Aviva Stadium.
Dan Sheehan made a try-scoring return as Leinster claimed a 36-12 United Rugby Championship bonus-point win over the Stormers, joining team-mate James Lowe in providing Ireland with a Six Nations fitness boost.
Stormers player ratings: A night to forget for the South African outfit, who were less Storm Eowyn and more blow-out in their 36-12 loss to Leinster.
There are signs South Africa's fabled juggernauts may be fading as they enter their twilight years in the scrummage.
Sale dominated the territory in the first-half without being able to convert the pressure into points, with the Stormers capitalising on their limited opportunities after a stalemate opening 20 minutes.
The Stormers host the Sale Sharks on Saturday, in a Champions Cup Round Three match.