Gregs

About 2 months ago I replaced all brake discs and pads on my MY00. The ones I have put on are the ROSSINI drilled and groved discs, the pads are from the same company(bought as a set). All seemed to be fine, much improved braking. I then decided that I wanted to put some new suspension springs on so I got Eibach springs fitted. Again all seemed fine at first but after a while I started to get a loud(esspecially if the window was open) clicking or snapping sound under soft braking. It doesnt happen all the time and not at all under heavy braking. It doesnt seem to effect the brake performance just a very annoying and sometimes very loud noise.
Any ideas or help will be much appreciated.

V LTD sti type RA

strip everything down that you undid and re check it