I ran the FM Stage 1 suspension for about a year with a different ARB package (RB 1.125" front bar/14mm MazdaSpeed rear bar) and found it to be a significant step up from the Bilstein-based Hard S suspension you are referring to. With the shocks set at 2/2, it was a competent, more comfortable daily driver and when I dialed up the shocks for autocross, they responded very well.
Good grip, ...



