On some of the highest speed circuits of the calendar, it is important to have as low drag as possible. The best way to do that without compromising downforce is by tweaking winglets and panels to guide air without interfering with it. McLaren have done so by cutting out a slice of the sidepod panel. The new design - in the upper part of the image - allows more air to flow around the chimney instead of being squeezed in the inside of the sidepod panel.
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