Three reasons the S550 Mustang GT still makes a serious case for best performance value in America: 5.0 Coyote power, massive aftermarket support, and IRS that makes it way more than just a cheap V8 coupe. What are you taking: S550 GT, Camaro SS, or C6 Corvette? #ThreePieceUS #S550Mustang #MustangGT #Coyote #AmericanMuscle #CamaroSS #C6Corvette #cars #wheels