Custom Hood, wheels and tires new. Pony PackageThe Pony Package for the V6 Mustang became available starting in 2006. This option includes an upgraded suspension derived from the Mustang GT, 17-inch wheels with wider tires originally only available on the GT, a unique grille design with fog ls, a rear deck spoiler, and unique door striping and emblems. Later versions of the pony package also included a stainless-steel exhaust and power drivers seat.Serious Offers. Thanks