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dodge challenger srt hellcat

  1. Mopar / FCA News
    If you are reading this piece here on Allpar.com, you are probably familiar with the two-key system of the Hellcat Challenger and Charger. The black key limits the output of the supercharged Hemi to “just” 500 horsepower, while the red key unlocks the full 707 horsepower. On paper, that...
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