The Reds forged a comeback at the Suncorp Stadium to continue their perfect start to the Super Rugby Australia season.
Super Rugby Australia leaders Queensland Reds made it seven wins from as many games as they came from behind to defeat second-placed Brumbies 24-22.
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The Reds found themselves 15-6 down at half-time on Saturday, with their winning run under threat.
However, they had won four of the last five home games where they had trailed at half-time, and they made that five in six – including their last four such games in succession – with a blistering display after the interval.
Having finished the first half on the front foot, the Reds went over for their first try through Josh Flook shortly after the restart.
Tom Wright hit back to make it 20-13 to the Brumbies, with Noah Lolesio adding the extras.
Yet the Brumbies could not hold out, Jordan Petaia taking in James O'Connor's kick to reduce the gap to four points.
O'Connor's kick drifted wide, but he atoned with two penalties in the final 10 minutes to preserve the Reds' winning start.
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