A rundown of the 2015 to 2023 Mustangs that are known by the S550 chassis code, which were the first Mustangs sold globally.

The good folks over at ProCharger Superchargers have caught a feisty S550 Ford Mustang Mach 1 at ... Those include the Drag Pack and the ProCharger supercharger system – “no built motor ...

The sixth generation lived for an entire decade and had ample time to show that Ford knew how to mix the pony, muscle, and sports car styles into a single package ... with the S550 Ford Mustang ...

Spy photographers have caught what appears to be a Dodge Challenger Hellcat Drag Pack prototype outside SRT headquarters. Rumors appeared earlier this year that the Challenger Hellcat would be ...