"The quarter-mile in 11.2 sec? @Dodge #Challenger @driveSRT #Hellcat #HEMI does that! Watch"

Fine print at the end of the video shows that it's "NHRA certified 10.8 @ 126 with street legal drag radial tires."

and

"NHRA certified 11.2 @ 125 with production tires."

Hellcat runs a 10.85 @ 126 on drag radials (11.2 @ 125 stock)