This is going to sound crazy but i'm wondering do they make a lower pulley to replace the caged pulley setup and what i mean by that is do they make one that the same size as the O.E.? I know it sounds crazy but i do not want to add more boost to my truck. I just want to get rid of the damn cage setup. if i have to go with a 4lbs i will but i'm hoping that i won't have too.