Does it change depending on what direction you steer the car? In park, put the wheel at full lock and back up and do the same the other direction, do you hear any clicking or thumping? Check your wheel studs or lug nuts. Check the bolts holding the axles in. Does it shake the car? Does is shake the steering wheel? does it shake the car or steering wheel when you brake? Are you missing any wheel weights? GO find some speed bumps and drive over them at about 10-15mph, not the long sloping ones, the really bad bumpy ones that will make the car bump a bit. Report back with your results. each of the questions i asked will tell us exactly where to look. I personally have had issues with every single area i just asked you from wheel studs backing off, brake pad exploding, to the bolts on the axles backing out and even throwing off weights. Im putting down some mad power to stock system so i see more wear and tear but i think your probably looking at a bad CV joint. I just started to have this issue as well and have yet to track it down but im 99% sure as well as some others i have asked here that this is a CV axle issue. If you have ever done the axle on your car, check the nut has not loosened up. mine took some blue lock tight to fix, there was a issue with the nuts you can get now, they are junk.