A pair of Axial Smoked LED Sequential Turn Signal Lights is a great way to upgrade the appearance and improve the safety of your S550 Mustang. Amber LEDs are used for the sequential turn signal function, where white LEDs are used for the daytime running lights (DRL). Much brighter than the stock incandescent turn signal lights, these LED Axial Turn Signals will increase your visibility and safety. Manufactured to precise standards from OEM quality materials these Axial LED Sequential Turn Signals are assembled with state of the art electronic components. These Turn Signals feature durable, injected molded ABS black plastic housings with smoked polycarbonate lenses and super bright LEDs. Each housing is weather sealed to prevent dirt and moisture from harming the electronics found inside. Raxiom designed their Sequential LED Turn Signals to be a direct plug and play replacement for your Mustang's original factory housings. There is no cutting or modifications required for a clean straight forward install. Installation should only take about 1 hour to complete. This is a product designed for Mustangs sold in the US. It will not function properly on Mustangs sold in the EU or UK without modifications being made to the wiring harness.