Hard to install is relative. It was not hard for me, but I have heard that only a someone who who is a install god can do it. The lower u go the more rate u need. If you go with more than stock rate you should get konis to dampen the springs. Most shock do not work well with high rate springs.
2002 Collector Edition Trans Am 140 of 2000
comp cam with XER 224 228 on a 110 LSA +2, AFR 205 heads, QTP headers, DA Konis with ground control 400 lb/in springs, LCAs, PB, TA, STB, HPT tuning and Midwest Chassis & Performance Fabed 9in
"A SS looks like it could kick your *** if it wanted to, but a WS6 looks like it's coming over to do it!"