Yes, Both NASA and SCCA have placed the car in D stock categories. I'll post the classification rules for SCCA in my gallery. In the mean time, here are the other cars classfied to run with the Crossfire in SOLO2 events
http://www.moutons.org/sccasolo/Lists/2003/stockc.html

Although I do not run this because my car is set-up for road courses. I am however a member of the Guldstrand racing team which runs Solo2 and would like more Crossfires running in SOLO2