Tanabe Sustec Z40 Coilover- Review

Originally Posted by SS_Firehawk

Question. I'm doing research on coilovers, more specifically these. What catches my eye is the twin tube design, which is chosen for improved comfort over a traditional coilover. So my question is, how is, how much stiffer over stock are these? I don't mind the car being stiffer, I really don't want to change how the car behaves, just improve. This is very much a street car first and track toy second. These seem to be exactly what I'm looking for. There any dubious clunks, rattles or creaks showing up with the change?