There are a lot of reasons why you may be looking to replace your stock Scion tC headlights. If you have an early Scion tC you may notice that the lenses are showing some age and have a yellowish color. You can improve the look and light outputted by you Scion tC headlights quite easily be adding a set of our projector headlights. These projector style lenses are quickly become a standard feature on all headlights because it makes it very easy to control the direction of the light outputted to keep the beam highly concentrated.