I have been using the QA1 K-member for a while now and really notice the difference. I am still using the factory A-arms, struts, and PS rack. It went on with no major modifications: the drivers side LT BBK had to be dimpled, the motor mount pins had to be ground off. The car is lowered with Eibach springs, about 1-1/2", and this kit lowered the front another 1+ inches. Really low now, Looks great but now I avoid certain areas in town. But I really like QA1 kit.