I bought one, but ended up selling it before trying it out. Went with the cam Dwayne Porter spec'd & sourced for me, instead. The two cams were pretty different (the Jones cam was smaller) and I'm not sure how they would have compared in performance.

2021 Challenger 6.4L Scat Pack 1320
100% stock: 1.680, 11.894 at 113.75 (DA 175 ft)
weight reduction, wheels, tires, Hellcat air box: 1.661, 11.686 at 115.97 (DA 710 ft)

1973 Challenger 452 ci street/strip [2008]
pump gas, DOT radials: 1.454, 10.523 at 126.44 (DA 514 ft)