So I recently installed my h&r springs, new isolators, shocks and struts, ball joint, and camber plate. 2 weeks ago I been hearing a squeaky noise coming from the front driver side. Everytime my car hits a bumb, i turn the wheel left and right or I compress the driver side spring it will make the noise. Besides the noise it steers like a champ

 

it could be that you have a spring just a little too tight or something, most likely something simple like that

 

Perhaps its your spring squeaking in the isolator or the isolator on the CA or upper perch.