Car tested was an Audi RS3 MY2018 Hatch. As delivered a best of 220wkw was made on stock hardware, on Dyno Dynamics rolling road. With an Etuners custom Stage2 calibration and an upgraded downpipe, the RS3 made 283wkw. Midrange gains of +80wkw and peak gains of +60wkw with power staying strong...
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