It's a hydraulic, or hydraulic over pneumatic accumulators. It's also a more sophisticated variant of the Tenneco Kinetic Suspension cross linking technology that is KDSS, but acts directly on the hydraulic shock bodies.
Yes, a lift kit can be done via adjusting sensors or in Techstream software. It's also moddable for high payloads, long travel, or what-have-you.
High setting will revert to normal at 19mph. When in low-range, this changes to 25mph. By height adjusting AHC, you can make normal height up to 1.75" higher. Which also make high 1.75" higher or an almost 4" lift for free.
The system also lower ~.75" at freeway speeds to improve aero and stability.
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