01 Compare after lower rear 1 to 1.25", this in early October 2013. Lowered by cutting exactly 1 full coil (360 degrees) plus an inch more wire off top end of each rear coil .... the adding a molded rubber spring seat with molded in spring ramp originally meant for a '90s T-bird to top.
The world kept turning and the Mustang rides as good as ever.