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Dodge Charger Hellcat makes 1,032 hp with Hennessey help

Sometimes you just want four doors. Earlier this week we brought you Hennessey's riff on the Dodge Challenger Hellcat. Now comes the Charger. Much like its two-door sibling, the Charger gets boosted to as much as 1,032 hp and 987 lb-ft of torque (at the crank) thanks to the addition of a twin-turbocharging setup that works with the factory supercharger. The turbo headers and downpipes are stainless steel, and there is a high-flow air-to-water intercooler and dual-turbo waste gates. Hennessey also beefs up the fuel injectors, fuel pump, and the rest of the fuel system. The engine management system and chassis are recalibrated to accommodate all of this. You also get numbered plaques signed by John Hennessey, the boss of the Texas tuning outfit, and the technician who does your build. Hennessey's additions result in zero-to-60 mph sprints in 2.7 seconds, and the big sedan can run the quarter mile in 9.9 seconds at 142 mph. Like the Challenger, the Charger has the same disclaimer: the lofty horsepower figure comes from an engine dyno, and it will be a 15-to 20-percent lower at the rear wheels. Related Video: Image Credit: Hennessey Performance Dodge Performance Sedan Hennessey dodge charger hellcat

Brand new cars are being sold with defective Takata airbags

If you just bought a 2016 Audi TT, 2017 Audi R8, 2016–17 Mitsubishi i-MiEV, or 2016 Volkswagen CC, we have some unsettling news for you. A report provided to a US Senate committee that oversees the US National Highway Traffic Safety Administration (NHTSA) and reported on by Automotive News claims these vehicles were sold with defective Takata airbags. And it gets worse. Toyota and FCA are called out in the report for continuing to build vehicles that will need to be recalled down the line for the same issue. That's not all. The report also states that of the airbags that have been replaced already in the Takata recall campaign, 2.1 million will need to eventually be replaced again. They don't have the drying agent that prevents the degradation of the ammonium nitrate, which can lead to explosions that can destroy the airbag housing and propel metal fragments at occupants. So these airbags are out there already. We're not done yet. There's also a stockpile of about 580,000 airbags waiting to be installed in cars coming in to have their defective airbags replaced. These 580k airbags also don't have the drying agent. They'll need to be replaced down the road, too. A new vehicle with a defective Takata airbag should be safe to drive, but that margin of safety decreases with time. If all this has you spinning around in a frustrated, agitated mess, there's a silver lining that is better than it sounds. So take a breath, run your fingers through your hair, and read on. Our best evidence right now demonstrates that defective Takata airbags – those without the drying agent that prevents humidity from degrading the ammonium nitrate propellant – aren't dangerous yet. It takes a long period of time combined with high humidity for them to reach the point where they can rupture their housing and cause serious injury. It's a matter of years, not days. So a new vehicle with a defective Takata airbag should be safe to drive, but that margin of safety decreases with time – and six years seems to be about as early as the degradation happens in the worst possible scenario. All this is small comfort for the millions of people who just realized their brand-new car has a time bomb installed in the wheel or dashboard, or the owners who waited patiently to have their airbags replaced only to discover that the new airbag is probably defective in the same way (although newer and safer!) as the old one.

The Dodge Demon was developed under a cloud of smoke

The Dodge Demon needs no introduction. The car is so full of superlatives that most of it sounds unbelievable until you see and hear it in action. The car was revealed after months of teasers and cryptic messages, but the public weren't the only ones in the dark. From the start, the Demon's development was a closely guarded secret. There were even some within SRT that didn't know about the project. The people behind the car went through a lot of effort to keep it that way. At an event covering the finer details of the Demon's supercharged 6.2-liter V8, Dodge CEO Tim Kuniskis and SRT Powertrain Director Chris Cowland spoke about the smoke and mirrors used to hide the Demon's development. Work on the car progressed for nearly two years before it was made public, with just a small team having full access to the project. Numbers were altered. Secret meetings were held. SRT engineers worked nights and weekends while parts suppliers were given as little information as possible to move progress forward. Preliminary work on the Demon began in April of 2015, not long after the standard Hellcat hit the streets. The goal wasn't to create a faster Hellcat. Kuniskis said that would have been easy. They wanted a single-minded vehicle that could also be driven on the road. It's the same mindset that brought about the Dodge Viper ACR. Dodge wanted a car that could sell the brand to both enthusiasts and non-enthusiasts alike. 840 horsepower is going to raise anyone's eyebrows, including the Camry owner parked down the street. While preliminary work started in April, the final greenlight wasn't given until September. The project was originally going to revive the American Drag Racer, or ADR, name. When we saw the first hints of the Demon last fall, we labeled the spy photo above the Dodge Challenger ADR. It was set to have 10-percent more power and 20-percent more launch force than the already gut-punching Hellcat. It was also only going to have a quarter-mile time in the 10s, just slightly quicker than the Hellcat. Somewhere along the line, the team realized that the ADR wasn't enough. It was just going to be a Hellcat plus, and that wasn't exciting. The main goal was changed: 9s with light. Translated, that means a 9-second quarter mile with light under the tires (read: a wheelie). From that point forward, everything about the Demon's development, from power to suspension to weight, would be done in pursuit of that goal.