KYB Gas-a-just shocks are America's best selling performance gas shock.
It's monotube design features a higher gas pressure which helps to hold the tire to road surface during severe driving conditions. N2 gas helps eliminate shock fading due to aeration and foaming.
This shock is the perfect choice for the performance oriented Mustanger.

Oil or gas?
In the Youtube video below Dan will explain the difference between shock absorbers in oil and gas.
(The video is in swedish but english subtitles are available)