What difference does a rear wing make? We head to the challenging roads of the Adelaide Hills to find out

The ‘MSO Defined High Downforce Kit for Sports Series’ is the latest tweak applied to the 570S coupe and convertible by McLaren’s personalisation and tuning arm – the acronym translates to McLaren Special Operations. A wing and underbody vanes add 75kg of downforce, which means more tyre grip. That’s great news on the fast corners of a racetrack, but in the wet negotiating the tight and twisty Adelaide hills? It could be hard to find.
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https://www.motoring.com.au/feature-chasing-grip-in-the-mclaren-570s-by-mso-122409/