I just put fox 2.0 reservoir on mine a month or so ago and it's made a huge difference on how my truck rides. I also put the fox steering stabilizer on and it helped a ton too. I drive mostly country roads and interstate here and there. I would highly recommend them. I priced both 2.0 and 2.5. The 2.0s were just under a grand for a complete front and rear set. The 2.5s were way outta my budget, they were a grand for just the front.