blackfire is grumpy

1st Post (pic's added) I'm new to the forum I have a 2004 black crew cab 4x4 le tow pkg titan. I'm looking to put my first mod on a leveling kit. I had a few questions. 1-Does my truck have coilovers? 2-Is it as easy to install a 1" back lift as the 2" front and is their a need for the back...