Squeaking after camber arm install

Wassup guys, so yesterday I installed some Megan Racing Camber arms on my 2007 mazda 3 sedan & the process was brutal (for the passenger rear at least lmao.) After I finished I took it for a spin and everything seemed good until later that night. Cruising speeds, the car sounds fine but when going slower on bumpy roads or up onto my driveway it sounds bad. Today I loosened the bolts and then retighten then completely by hand and it seems like it help a little bit but it still squeaks. Anyone have a similar issues or have any suggestions on what I can try? Thanks guys