Add some sleek styling to the front of your Mustang with a Mustang Chin Spoiler, Mustang Mach 1 Chin Spoiler, 2003-04 Mustang Cobra Chin Spoiler, RTR Chin Splitter and Mustang California Special Front Valance! Adding a Mustang Valence or Mustang Chin Splitter is a great way to add styling and down force to the front of your Mustang!