Megan Racing Front Sway Bar for Ford Mustang (S550) 2015+ - MRS-FD-0491 2-Way Adjustable Diameter 36mmFord Mustang (S550) 2015+ Front Sway Bar MRS FD 0491 The first thing you will notice when having the Megan Racing sway bars on your vehicle is reduction of body lean roll. Megan Racing sway bars are used for tuning the handling balance and behavior of your vehicle. These bars' extra adjustment ability will also help reducing under or oversteer of your car. With these bars, they will make your drifting road racing experience a little easier to predict.