Yeh, I went from an 18mm one (iirc, was a Tu3 one from a Westcoast 1.4) to a 24mm one.
With all the rest of the suspension modified (biltstein shocks and front 40mm springs) and the rear felt a lot 'tighter' and more stable when cornering.
To get the most out of them you do need a balanced suspension setup, as opposed to just 'slamming it'.
With a 24mm rear arb and a 'slammed' setup, it'll just be tail happy in the corners if you lift off a little