I remember a long time ago someone said they put that expanding foam in the...I forgot what it's called...where the side skirt attaches to, and it made the car noticably stiffer.


I found this. When I get the money, I'm gonna get this. It's $184 for front or rear. Not too bad. I hate the flexy chassis.


Here is the link. Scroll down halfway and you'll see Tanabe Sustec.