The Stormers cut the gap on United Rugby Championship leaders Leinster with a dominating six-try 46-19 victory over the Sharks.
With the five points gained, they now trail the Irish province by 11 points while the Sharks remain in the final play-off place in eighth.
Herschel Jantjies, Ruben van Heerden, Joseph Dweba, Seabelo Senatla, Suleiman Hartzenberg and Manie Libbok crossed for tries for the Stormers, with Libbok adding a further 14 points with the boot and Clayton Blommetjies two.
