take the front and back bumpers of first, you will need ;
10mm socket/ratchet
T20 + T30
(id also recoment a plastic trim fork) should be able to get these from anywhere mate these will make it easyer to pop the clips off from mud shield (in wheel arch) and the pannels mate.
Also the sideskirts are screwed on underneith with a T20 i think mate =]
Hope this helps (y)
e/ also when putting them back on id buy some 'black adehisive' and double sided tape (not the normal shit

) i used these mate clamped them on waited to try and screwed back on mate