this is the step
Step 1 – Tighten the chromed steel plates on both ends of the wing (see illustration 1)
Step 2 – Tighten both the wings’ legs to the chromed steel plates (see illustration 2)
Step 3 – Tighten both the legs’ cover (see illustration 3)
Step 4 – Insert the locator strips into the mounting holes. A small
piece of masking tape will hold it temporarily in place (see
illustration 4)
more please download Mitsubishi Lancer EVO VIII Installation Instructions here