9 Second Challenger Hellcat vs Mustangs (S197, turbo Fox Body & S550)

9 Second Challenger Hellcat making some 1/4 mile runs against an S197 Mustang, Turbo Fox Body and an S500 Mustang GT at the Slomotion Motorsports track day at Dragway 42 May 5, 2019.

I didn't get a chance to ask what was done to the car.