In 2014, Dodge->ke28 stunned the auto industry by introducing the 2015 Dodge Challenger SRT Hellcat. Powered by a supercharged, 6.2-liter, Hemi V-8 rated at 707 horsepower and 650 pound-feet of twist, the Hellcat became an instant legend, as well as the most powerful and quickest factory-built muscle car->ke507 ever. But while the Hellcat is the most menacing Challenger->ke249 you can buy from a Dodge dealership, it's no longer the most powerful muscle car to wear this devilish badge. This is where the Hellcat X comes in, a bespoke Challenger that took Dodge's meanest muscle car up yet another notch.

The model in question was crafted by the folks over at Walsh Motorsport for an organization called Dream Giveaway. The Hellcat X is a one-off build and is being raffled for charity.

The muscle car is also a tribute to an experimental aircraft prototype built in the 1940s. Based on the iconic F6F Hellcat that ruled the skies in the later stages of World War II, it was dubbed XF6F and introduced supercharger and turbocharger technology to the Hellcat's 18-cylinder powerplant. It was more powerful and faster than the standard 2,000-horsepower fighter it was based on, which is pretty much what the Challenger Hellcat X is in relation to the stock Hellcat. Keep reading to find out why.

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Exterior

Though it may seem identical to a standard Hellcat, the Hellcat X does include a range of extra features upon closer inspection. Modifications are most noticeable up from where the Challenger received aviation-inspired, raw-aluminum hood extractors and center hood scoop, chrome accents for the main grille, and an adjustable chin spoiler. Around back, it features a deck lid spoiler and a hand-made diffuser. Obviously, the aero upgrades were added to help the Hellcat cope with the extra oomph.

Other than that and the "Hellcat X" badges on the front fenders, the beefed-up muscle car seems to be identical to the stock Hellcat. The coupe is finished in black for a more menacing appearance. All told, this is one heck of a Hellcat that makes the standard version seem a bit mild, if that's possible.

Interior

There's not much info as to what's different on the inside, but Dream Giveaway does say there are "Hellcat X" logos embroidered on the front seat backs and floor mats. Since there are no photos available, I can't spot other features that might be different, but the owner of the Hellcat X should be pretty happy even if the rest of the cabin is stock.

That's because the standard Hellcat comes with an SRT-branded, flat-bottom steering wheel, bespoke gauges and digital graphics in Dark Radar Red, dark aluminum trim, and accent stitching for the leather-wrapped surfaces. The front seats are heated and ventilated.

Drivetrain

This is where the Hellcat X gets to showcase what the "X" in its name stands for. As if the 707 horsepower and 650 pound-feet the Hellcat got from the factory weren't enough, Walsh Motorsports added a pair of turbochargers to the already supercharged, 6.2-liter V-8, taking its output to a whopping 805 horses and 800 pound-feet. That's an improvement of 98 horsepower and 150 pound-feet over the standard Hellcat. Unfortunately, there's no word as to whether the turbocharged and supercharged mill mates to either the six-speed manual or the eight-speed automatic or a bespoke gearbox specifically developed for the updated engine.

No word on performance either, but Dream Giveaway says the Hellcat X is faster than a regular Hellcat (duh), though it has yet to test it. Given the extra horsepower and torque, the Hellcat X should hit 60 mph a tenth of second quicker than the standard model, which would mean around 3.5 seconds. Also, it should return 11.1-second quarter-mile runs on street tires and hit a top speed of more than 200 mph.

Drivetrain Specifications

Prices

Although one-off cars such as this usually find a home with collectors such as Jay Leno, the Hellcat X will be raffled for charity. This means you have the chance to take it home if you live in the U.S. All you need is $3. Yup, that's no typo, a ticket for this raffle costs only three bucks.

But wait, there's more!

In addition to the unique Hellcat X, the winner will also receive a 1970 Dodge Challenger R/T with a 7.2-liter V-8 rated at 375 horsepower. And it's quite rare too, as it is one of less than 100 black Challengers with the 440-cubic-inch engine and four-speed transmission made. The vehicle was thoroughly restored in 2012 and it has since starred in the "Revolution Reborn" television commercial.

On top of the two cars, the winner will also get $40,000 for taxes. The total value of the prize is $175,000. All proceeds benefit New Beginning Children’s Homes, which provides 24-hour residential care to children "who have been victims of family violence, neglect, and or physical abuse."

So there you go, for only three bucks you could become the happy owner of the 2015 Challenger Hellcat X and a 1970 Challenger R/T, and have taxes for both paid by Dream Giveaway.

You can enter the raffle (and buy up to 6,000 tickets) here.

Competition

2015 Shelby Mustang Super Snake

Since the standard Hellcat is way too powerful for any factory-built muscle cars both Ford->ke31 and Chevrolet->ke199 can offer nowadays, you'd need to go to an aftermarket specialist to buy a Mustang->ke428 with more than 700 horsepower. You know, just in case your neighbor gets lucky and brings the Hellcat X home. The latest Shelby Super Snake seems like a great option if you like superchargers and more than 700 horses with a Ford badge.

Based on the sixth-gen Mustang, the new Super Snake wears the same kind of body kit its predecessor did. It includes race-spec bumpers and side skirts, a larger trunk lid spoiler, new wheels, a massive scoop on the hood, and plenty of "Shelby" logos and snake badges. The important bits lurk under the hood, where Ford stuffed a supercharger kit onto the 5.0-liter Coyote V-8 that increases the pony's output to 627 horsepower. I know, that's not enough against a Hellcat, but fret not, there's the option for a more powerful supercharger that ups power to 750 horses.

Now there's good news and bad news. The somewhat bad news is that there's no raffle for the Super Snake, which means you have to pay $82,300 (including the base Mustang GT) to take one home. The good news is that Shelby->ke81 is building more than just one, so you needn't be frustrated about not winning the Hellcat X.

Find out more about the Shelby Super Snake here.

Conclusion

The Challenger SRT Hellcat is a formidable muscle car, but we definitely need a new adjective for this one. But even though the Hellcat X is a cool as they get, it does come with a significant drawback. It's a one-off vehicle and that makes it unreachable to average Joes. All told, it's one of those custom-built cars you can commission at the many aftermarket shops across the U.S. for about $100,000. If you want this specific model, just go ahead and buy some raffle tickets and keep your fingers crossed.

But seriously, this was unexpected. We exhausted all our adjectives on the 707-hp Hellcat (awesome, bonkers, nutso, etc.), and got none left for this beast.

So help us find the right adjective.

What would you call this...thing?