Everytime am driving and make a slow turn toward the right i here a poping 1 or 2 sounds. It sound like the lower ball joint on the left driver's side wheel is bad. I checked the axle and it is in perfect condition, can you tell what is that sound ? thanks.

When you say you have checked that axle I assume you are looking at the CV boots, right? If you went to a parking lot that was empty and you continued to turn right would the popping continue? I still might suspect the CV being bad.