Check out these two videos where a Scat Pack pulls away from a Camaro SS from a roll. Watch the first video at the 6:40 mark.
Just from the look of the rear ends in the first video, the Camaro SS being run is a 2013 or earlier. The tail lights give it away. Same as the Challenger. I assume it is later than a '13. I'm sure the newer SS cars will put up a better fight. Both cars do have the same displacement and the Camaro is lighter. My wife's '12 SS convertible with aftermarket exhaust, headers, and CAI is pretty respectable. I know it will spank my '10 Challenger R/T convertible with a 5.7 in it. i do not street race, so i have no idea what it will do against a Scat Pak.