Ok so I been having my lowering kit on since 06' and have a slight vibration at 50mph for as long as I can remember. I've been reading through the form and thinking it could be a piñon angle issue. I have 0 degree piñon angle and reading it should be -2 degrees pointing slightly down. I have no idea what size shim is in there but it is 15mm thick. Any ideas what size it could be?
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