Sway bar link is like a bridge connecting sway bar and control arm. Control arm is an important part in the suspension system, and sway bar is the device that stops your Subaru car from leaning too much and makes it stable when you are driving. For most of cars, one sway bar link has two ball joints at each end. From time to time, your sway bar link can wear one day. There is an obvious sign showing your sway bar link is too old to use: when you are driving over bumps, and you hear knocking noise from suspension. Generally speaking, it takes you $75 - $140 per side in a repair shop. But you can save a huge amount of money if you do shopping here and it is easy to replace by yourself. We offer you all Subaru genuine sway bar link. Change it and enjoy your ride again.