Originally Posted by danny_d19
Couple pics of the new urethane parts, with 1 of the fiberglass ones (the dirty one). You can see the little holes drilled in the urethane ones that I'm assuming are there to screw them into the stock STi skirts. No instructions were included, just a bag of 18 screws (9 holes in each skirt)
I would guess you're right about also having to put screws into the side skirt in addition to the factory clips. Maybe they are needed because the urethane isn't as ridged as a fiber glass unit. I would imagine the screws are fairly small?