This 2012 Volvo XC60 D5 with a 2.4-litre engine was tested to see whether its power could be increased while retaining the emissions-control equipment. The DPF, EGR and other systems remained fitted.

Before tuning, the dynamometer recorded 163 hp and 365 Nm. The power figure matched the factory value quoted in the video, while torque was below the nominal 420 Nm. The calibration aimed to add about 60 hp and 65 Nm. These are the gains stated in the video; the figure of around 490 Nm is discussed as a possible result based on factory torque, not on this car’s initial dyno reading.

A slight vibration was felt during initial acceleration and later became less noticeable. A contaminated intake manifold or swirl flaps were suggested as possible causes, but no specific cause was confirmed. Further engine inspection was therefore recommended. The tuning was carried out with the emissions-control equipment retained, and the dynamometer readings provided a way to assess the result beyond impressions from road driving.