I installed it myself and it took me about 2.5 hrs. including several beer breaks.
Since your FJ is new, I would recommend a dealer install (~$300+) so the warranty coverage will the same the FJ factory warranty.
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You can buy it cheap ($125.35) here;
BTW, if you are still looking for the FJ AUX light kit (Brushguard install), they are also on sale for $109.25; http://toyotapartspeople.com/searchproduct.asp?model=FJ Cruiser&catid=3462874738598030&year=10&productdesc=Auxiliary Driving Lights, Bumper Mount
Note:
For bumper install of the AUX lights, you need the get the Bumper Bracket Kit - $74.75