You guys mean this? https://www.youtube.com/watch?v=2zcM1Cbg1dYAlso known as "That thing I found under the trunk mat next to the wheel locks I never thought I'd received when I bought the car" I thought it was a 1-shot sealant & pump "for emergency use only" deal; didn't realize the pump was supposed to be reusable. 
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)
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