The Challenger R/T Scat Pack 1320 has officially been deemed legal to run in NHRA Stock Eliminator and Super Stock competition. It does the quarter mile in 11.70 seconds at 115 mph

The Trans Brake function along with parts like sway bars, shocks, and wiring were essentially take-offs from the Demon

In the Super Stock class the, the car is eligible to race in SS/FA, SS/EA and SS/GA classes.

https://www.hotrod.com/articles/dodge-challenger-r-t-1320-angry-bee-nhra-approved/
https://www.hotrod.com/articles/dodge-launches-stripper-challenger-drag-car-called-1320/