not all on a Zed granted but i have Owned Miesters R, HSD mono pro, driven cars on KW and BC
and HSD Dual Tech are the worse i have used,The Expensive HSD the MonoPro where lovely and at the time the DUal techs wernt out so when i got me Z i went dual techs as HSD was good last time and im far from impressed by them.
a little comparison
KW are fanatastic as there firm and solid yet give a smooth ride
The Dual Tech seem to be the opposite They Give a crashy hard ride whilst still being very boaty and lose We have played around trying different damping setting and adjusting the tension on the spring but when im doing my drifting and pictures from Castle combe at japfest prove even on hardest setting the car was still boating to a point that on some pictures you cant see the tyre wall as its in the arch i have never had this on a set of coilovers before, Even the lexus is200 version of the dual techs dont come close to that of the monopros there is no stiffness in them just a crashy rebound,
I mean as always its horse for courses but i was unimpressed and when everything else is sorted i will be swapping out for something else