Just put Bilstein 4600 on the rear of 2013 tundra DC 2wd, it made a big difference on leaning around corner's. With my 4wheeler in the back didn't sqat hardly any, before it would level the truck out. Driving empty it seems a little rougher ride, will put fronts on sometime soon to finish it out. Old shocks didn't have much compression compared to these new one's.