https://www.youtube.com/watch?v=_BZOcxQQC2M

Owners of the new Challenger Hellcat are quickly realizing that their Mopar earth-rotators are actually making a bit more horsepower than advertised. Most real-world dynos are showing the new Hellcat to make closer to 680 RWHP, would would put the crank horsepower out over 720. This isn’t a huge surprise, though – as Mopar has had tricks up it’s sleeve since the original 426 Hemi. Some of those original Hemis were dyno’d at well over 500HP, but we digress.

Point being, is it appears that the SRT team was originally shooting for a much higher number than ‘707’. Sources from Chrysler have mentioned that Chrysler was ultimately hitting the ‘825 HP’ mark, but had to de-tune the motor because the immense power was burning out the catalytic converters. Thats just badass.