No car is perfect..at the end of the day this is an easy fix. IMHO the X is definitely best in class in most other areas. Other more fundamental issues are a lot more work to fix.. believe me I know! I also have a mustang.. huge amount of time were needed to stiffen the chassis, completely rework the suspension, brakes, motor etc to get it to where I wanted. This project was a walk in the park... and fun. To be honest I kind of like one-upping the factory