This is me driving my '06 Si at Willow Springs International Raceway on 2SEP07. It was a Speedventures event. Car was pretty stock except for:
front camber bolts, Falken Azenis RT-615 tires, Carbotech race brake pads, and DOT 4 brake fluid.
http://www.youtube.com/watch?v=1nPmS9TbhVw