To truly soundproof a truck, you'll need to deaden structural vibrations as well as block airborne noise. All in, you can soundproof a 2-door truck for around $600 and a 4-door truck for around $920.
At the end of the day, your pickup will be loud and proud on the outside and quiet and powerful on the inside. Combine both Damplifier Pro and Luxury Liner Pro to get the best of structural and airborne noise control.