You've got the Ford Mustang Shelby GT500 and the Chevrolet Camaro ZL1, which produce 662 horsepower and 580 hp, respectively. Then there's the Dodge Challenger SRT8 392 with "just" 470 horsepower. That fact apparently doesn't sit too well with Dodge, and understandably so. While the new SRT Barracuda is still a few years away, SRT chief Ralph Gilles has indicated there's still plenty of life left in the Challenger before its given the pink slip.

A new report coming from Autocar is claiming Dodge is currently prepping the 2015 Challenger with at least 600 horsepower. Nicknamed "Hellcat", test mules are reportedly being assessed in California's Death Valley. Power will come from a new supercharged 6.2-liter Hemi V8, and the car will likely have a new exhaust design and rear bumper along with a number of other cosmetic and mechanical updates. Dodge hasn't confirmed any of this just yet, but we have no reason to disbelieve the rumors. After all, there's no way Dodge is going to let Ford and Chevy have all of the fun without a good fight.