* Off-road-tuned suspension: For better handling on uneven terrain.
* Electronic locking rear differential: To improve traction.
* Skid plates: To protect the undercarriage.
* All-terrain tires: Designed for better grip on loose surfaces.
* Unique styling elements: Such as badging and potentially different bumpers or grille.
The exact components included in the FX4 package can vary slightly depending on the model year and specific truck.