The Chiefs have completed a two win Super 14 rugby tour of South Africa with a remarkable 72-65 win over the Lions in Johannesburg.
Last year's runnersup ran in three tries before half-time when they led 27-25.
Six more followed in about 20 minutes after the break before the defence began to wilt, the Lions getting close enough to claim a second bonus point for finishing within seven points.
Richard Kahui scored three tries and Stephen Donald finished with a man of the match 36 points from a try, nine conversions and three penalities.
But the Chiefs' discipline let them down with captain Sioane Lauaki sin-binned early in the first half and Kahui late in the second for dangerous tackles.
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And they were reduced to 13 men briefly in the first half when hooker Aled De Malmanche received a yellow card for deliberately collapsing the maul .
