Appears to be a mod, not factory. Do they actually go anywhere or are they just a dead end?
AKA, FL2 as discussed earlier in this thread.You have a 2007 or 2008 based on the fenders, hood and headlights enclosures. The manufacturer date might be in 2006 but your model will be 2007 minimum.
No those rear gills are not factory. Some aftermarket double sided 3M tape on mod.