Just changed out my stock suspension to jic flt-a2 coilovers today and also cusco front upper a arms. After swapping everything took the car for a test drive and every time the front driver side compresses it makes a knocking noise at 5-10mph+. Went back checked for all the nuts and bolts and all were tightened. Any other suggestions you guys can think of, was thinking and hoping it could just be an alignment issue.