Well you will need
-Good car jack
-Two jackstands
-Some bricks to chalk in front of the front wheels
-Flat level surface
-Socket wrench set and prob a 10mm socket or 12mm I cant remember off the top of my head...
-Flash light
Anywho just jack the car up and get teh two jackstands under the car, make sure you position the jacks on the rear axel securely. DO NOT GET under your car unless you feel safe and think it is safe, a lot of fatalities happen each year due to ppl working under a jacked up car and it falling on them....
Then just start unbolting the bolts on the top and bottom of the shock then you will need to go to the trunk and remove the cardboard borders and get to the wheel humps, there you should see where the rear shocks are held in on the top loosen these last. Also it is a good idea to have a helper with you for the removal of the bolt on the top of the wheel hump... Other than that thats all I can think of its been a while since I have done it but it isnt htat bad.... I hope that helped but im sure more ppl will help out!
Btw if you are removing the stock shocks you will get a laugh out of how bad they are worn out. Mine were so bad that I barely put any pressure on them they sunk in, Im so glad I switched them out and now the car plants itself a lot firmer...