Contours really can't run air shocks, they use struts. You'd need air struts, expensive. An air compressor, an air tank, lines, switches, gauges..over 2,000 in work. Thats if you do it yourself.
redcontour.20megsfree.com/photo.html
98 T-Red SE Sport ATX
ST200s
Slightly Lowered
Catless Y-Pipe
Resonator Removed
Clear Front Lenses
Side Markers
SVT Seats