Discover the truth about the 2015 Mustang performance package and how it stacks up against the Fiesta ST. Find out why the latest model is a gamechanger with improved suspension, a shorter shifter, and an enhanced exhaust system. Watch now for an indepth analysis and honest review. #FiestaSTvsMustang #PerformancePackageComparison #LatestModelReview #EnhancedFeatures #HonestReview #AutomotiveComparison #MustangUpgrades #SportsCarExperience #ImprovedSuspension #CarEnthusiast