I have a Centerforce Dual Friction clutch in my Mystique and have been very happy. Installation was pricey though because it's something like eight hours of labor. From my understanding the tranny is not that easy to get to.

1996 Mystique GS V6 MTX - PIAA bulbs, SVT shift knob, Firestone Firehawk tires, EBC Greenstuff front pads, Amsoil oil filter, Centerforce Dual Friction clutch, SVT flywheel, Amsoil synthetic transmission fluid.