The 6th Gen Camaro, contrary to what our brethren are inaccurately stating, is doing VERY well in SCCA FS. I'll let the actual results (not just my feelings and bench racing) speak to this (see the "Official Results" of each event for the quickest snapshot):
Championship Tours:
http://www.scca.com/pages/championship-tour
ProSolo:
http://www.scca.com/pages/prosolo
Don't get me wrong, Mustang is a great car, but not as spectacular as M6G trolls are projecting.