The 1320 Package is only available w/ an auto cuz it's got a factory-equipped trans brake. However, it seems like a lot of owners don't bother with it cuz it's a PITA to work... and people seem to be going about the same ETs foot-braking them. Here's a video on How To Use The Trans Brake. Only one way to know for sure... 
Last edited by Brad_Haak; 12/16/21 06:07 PM.
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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