Park the car on a smooth safe surface. Use vehicle hoist or floor jack, raise the onto jack stands. NEVER WORK UNDER THE CAR SUPPORTED BY A JACK ONLY.
Disconnect the endlinks use 14mm wrench.
Remove swaybar bushing brackets then remove the sway bar.
Grease bushings using supplied grease and place them on the swaybar.
Install the new swaybar.Connect the endlink first but not tight. Install bushing brackets around bushings and secure bar to the chassis. Tighten bolts to(Perrin site) 24ft-lbs.
When bar is mounted move the bar up and down to make sure grease lubricates entire bushing.
Tighten endlink to 24ft-lbs. Re-check all connections.
Lower the car.
Test drive slowly. If there is any new noises (i.e. clunks, squeaks, etc.) Re-check entire installation. Enjoy but be safe.
Some info are from Perrin site.