[Gary_B]

The lower grill looks like Nissan forgot to install something, also looks like that portion of the cooling system is pretty vulnerable.

Are there options to detail this better?

Gary

 

[Cusser]

Some have added mesh. Do a Search.

 

[TruckIt]

easiest thing is something like this, but mesh is cheaper if you want to make your own.

Fits 2005 2015 Nissan Frontier 2005 2007 Pathfinder Bumper Black Billet Grille | eBay

 

[Dave g]

Got this on Amazon had to cut down. 30.25" at top and 32.5" at bottom

 

[bajasam]

1/4 rabbit wire from HD, five bucks a roll