When the main characters take the clothes and motorcycles from the biker gang, they are dressed almost identically to Fonda, Hopper, and Nicholson in Easy Rider, a film from 1969.
Josh mentions Halo when explaining his gamer record. Keith David plays the voice of the Arbiter in the Halo series of games.
The joystick used by Josh Futturman is the Saitek X52. The first one is seen at 2:39 and then is broken. The replacement is then seen at 5:24 and the logo and model are in full view.