I like the choice of body kit. I had the same skirts and rear valance on my red 90 and I'm noticing the same sag to the center of the rear valance. You'll need to support that section or it will get worse. I used a small piece of aluminum angle that I drilled holes along. Then used short screws to attach it along the lower edge of the valance where it is thickest. Then I attached 2 straps of thin aluminum from the angle to the body.