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Porsche 911 GT2 RS vs. Mercedes SLS AMG Black in battle of who can shred more rubber

We might be looking at the end of an era in European performance models. Mercedes-Benz is doing away with the SLS in favor of a rumored smaller and cheaper SLC, and Porsche has said that a new 911 GT2 isn't necessarily a sure thing, which means another 911 GT2 RS is even farther away. In its latest video, Evo's Jethro Bovingdon pits the ultimate versions of these German sports coupes against each other and finds two of the fastest cars the magazine has ever lapped around its track.
In one corner, there is the Mercedes SLS AMG Black Series that sits as the pinnacle of the company's halo model. It relies on the classic setup of a V8 mounted in front powering the rear wheels. On the other side, there is the 911 GT2 RS with a turbocharged flat-six mounted at the back, spinning the rear wheels. It was conceived to be Porsche's ultimate expression of a turbocharged 911, and while it's a few years old, Bovingdon shows that it's up to the task of racing a more modern rival.
Both of these rear-wheel-drive monsters are more than capable of some fantastically smoky power-slides, but they also show how great the last generation of sports cars was. Scroll down to check out the video.

VW adding particulate filters to gas engines

Volkswagen is working hard to overcome the PR disaster that is its diesel emissions scandal, and part of its efforts is focusing, weirdly, on petrol engines. Starting in June 2017, the embattled German automaker will add particulate filters to the gas-powered Volkswagen Tiguan and Audi A5. The change will eventually impact nearly every direct-injected gas engine the VW Group makes. Audi? Particulate filter. Seat? Particulate filter. Even Bentley is going to get the tech, all in a bid to reduce soot emissions by 90 percent. In fact, by 2022 VAG expects 7 million of its vehicles to boast the emissions-cleaning tech, which has long been a fixture on diesel engines. "Following increases in efficiency and lower CO2 output, we are now bringing about a sustained reduction in the emission levels of our modern petrol engines by fitting particulate filters as standard," Volkswagen Group research and design boss Dr. Ulrich Eichhorn said in a statement. "In the future, all models will be equipped with the latest and most efficient SCR catalytic converter technology." VW's initial rollout focuses on the 1.4-liter, turbocharged Tiguan and the 2.0-liter, turbocharged A5. Considering the popularity of the 2.0-liter across the VW range, we'd expect it's only a matter of time before VW expands its particulate filters tech to additional gas-powered vehicles. Related Video:

Luftgekuhlt is an incredible car show for air-cooled Porsches

Air-cooled Porsches: Three lousy words and four lousy syllables. String them together and you get an expensive, emotive cocktail. If you've always wanted to own one, you know that truth, as prices of vintage 356s, 911s, and even 914s have risen steadily and then recently, skyrocketed. That change in the economics of cars once considered workhorses has altered the zeitgeist around what Porsche means to different generations of fans. Back in the day, Porsche didn't strive to be as expensive or as untouchable as Ferrari's metal. As a result, you typically find Porsche owners able — and willing — to twist wrenches on their machines. For one thing, air-cooled cars from Zuffenhausen were relatively easy to maintain and drive in all four seasons. They weren't show ponies. But when cars become collectibles, the scene around them changes, and Porsche FIA World Endurance Championship racer Patrick Long and his longtime pal, designer Howie Idelson, were, as Long put it, sick of meets "at golf courses where you have to worry if your shoes match your pants." Long mixes fine in that world. He's the only American on Porsche's factory team and he's won in everything from ALMS to GT to Baja. That tends to put your loafers at plenty of tony cocktail parties. But Long and Idelson, both SoCal natives who met as kids racing karts, wanted to make something of the air-cooled Porsche car culture, not of the collecting culture. Hence the birth, less than three years ago, of Luftgeku hlt. "It's literally 'air-cooled' in German but has that nerdish, Instagram picture-trading offshoot of a kind of Porsche cult," Long says, noting he's less interested in defining the brand that now sells t-shirts and posters and more interested in keeping things loose. View 63 Photos "We had cars with original paint from guys who work their hands 'til they're bloody and we had 200 of the most collectible cars." As such, he was still floored by the recently convened Luftgekuhlt 3, the third party he and Idelson have put on and by far the largest. It was held in the shadow of the L.A. skyline at the headquarters of Modernica furniture. More than 400 air-cooled Porsches and their owners convened. The location was no afterthought. "We wanted people to come for the cars and then be blown away by the venue: It has to be interesting. It has to attract different kinds of people." To spur that, Long doesn't adhere to the strict fealty of precision that's a default at most collector rallies.