That was the first place I looked. You can buy headers for titans and hardbodies but not V6 Frontiers. They just brought out headers for the 4 cyl Frontiers. Hopefully they will get some soon.
Nope. There aren't any. The lack of interest, emissions standards and the tight fit of the stock exhaust manifolds make it damn near impossible to get any exhaust companies to make them. Same for Pathfinders...
Nissan Forums is the go to place to talk about your favorite Nissan model, including the Rogue, Maxima, Altima and even sports cars like the 370Z and 200SX.