I am also a DD and used Roush DUB springs which as I understand are the same as Eibach pro, and kept my stock shocks/struts. Given the mild drop and minimal affect on geometry, I did not need caster camber or panhard.
I am currently considering koni orange dampers as well.
2011 Mustang 3.7L V6 Premium ∙ MCA (203A)
Ingot Silver ∙ Charcoal Black ∙ Auto
HIDs ∙ Security ∙ Comfort Package ∙ Remote Start
Koni STR.T shocks/struts ∙ Roush DUB springs