Ford has been involved with the Susan B Komen people for a long time. They wanted to make something distinctive. The pink is the reference to the cause.
I have no problem with the Cause or Color, just asking why it's a V6 car only pckage.
"Available on the Mustang V-6 Premium Coupe and Convertible models, the Warriors in Pink package includes a unique grille and will add a pink ribbon and pony fender badge, pink Mustang rocker tape striping, charcoal leather seats with pink stitching, aluminum-spoke steering wheel with pink stitching and charcoal floormats with pink ribbon and contrast stitching."