Cylinders or Strut Bags?

I got a guy I work with into the whole air ride and now he was looking to do a bolt in air suspension for his 97 Dogde Stratus. What site can he look at for a bolt on application? Is there even anything for this type of car? And if so what is better to use for his application, Cylinders/Air Struts? If you guys could post some link's on here so I can get him going with it. Thanks a lot.