Skip the springs and go for Mountain Pass Performance coilovers if you can. You will have less strain from your struts and shocks. Eventually you may start hearing a noise on the upper control arms as well.
Better to pay the extra cash for some quality parts from KW.
That noise is coming even with stock suspension... Lowering with coilovers vs springs isn't going to change the upper control arm situation. But you need to retorque all the bushings at the new ride height for less wear on them. Not many people do.