no jackstands are needed. there are 2 screws in each fender well, 4 grommits under the hood near the grill, and 8 grommits (i think) under the car. it's really easy to do ...
here's a PDF file on how to install the oem lip ... step 1 is bumper removal ...
http://www.handaaccessories.com/acco...frontunder.pdf