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Modded budget Mazda Miata takes on new Porsche Boxster in more challenges

Earlier this month, our friends across the pond at Auto Express released the first in a two-video series that would see them try and build up a second-generation Mazda MX-5 Miata that could best a standard Porsche Boxster around the track. While that first video detailed the mods to the MX-5 - a supercharger, some suspension upgrades and a new set of super-sticky rubber being chief among them - and set baseline lap times for the stock car, today, we have the results of the 5,000-pound ($8,200) upgrade job.
Of course, we aren't going to spoil those for you. You'll need to watch the full video, which recaps the upgrades before digging into a comparison of both straight-line-speed differences between the 2.7-liter Porsche Boxster and blown Miata, as well as their behavior and lap times on the track.
Take a look and let us know what you think in Comments.

The 2017 Porsche 911 RSR goes mid-engine, purists be damned

Porsche unveiled its World Endurance Championship and IMSA WeatherTech Championship competitor with the 2017 911 RSR. And this 911 is different from the rest, as the 4.0-liter flat-six engine powering this beast is in front of the rear axle, not behind it. That's right, this 24 Hours of Le Mans competitor ditches the iconic rear-engine layout. Porsche isn't talking specifics on how exactly things are arranged back there. The engine is new, now based on the 991 911's block instead of the previous Mezger motor that's been used for years. The transmission design is new as well – it would have to be to accommodate the new location relative to the engine. The racecar has been engineered to meet the LM-GTE class, where it will go up against other mid-engine cars like the Ford GT and Ferrari 488 GTE. Moving the engine to the middle has given Porsche the ability to fit the 911 RSR with massive bits of aero, like the humongous rear diffuser that looks like it would be more at home on a machine of war. The only thing that can compete with the diffuser for size is the top-mounted rear wing, which shares a similar design to the one found on the 919 Hybrid. Going back to the engine, the direct-injected boxer motor, depending on the size of the restrictor, generates as much as 510 horsepower and sends all of its fury to the rear wheels. The engine is paired to a six-speed sequential gearbox, which drivers can employ through paddles on the steering wheel. The new engine doesn't have a lot of weight to push around as the 911 RSR, as required by regulations, weighs 2,740 pounds. Speaking of weight, the engine layout isn't the only change for the 911 RSR. For 2017, the car ditches its steel body for one that's made out of carbon fiber. The body attaches to the chassis via quick-release fasteners, making the vehicle easier to service as exterior elements can be removed with minimal effort. The racecar also gets a radar-based collision system – aptly named the "Collision Avoid System" – which is meant to limit the 911 RSR's encounters with faster LMP prototypes. Only time will tell if the new layout and aerodynamic components help the 911 RSR beat its competition. But there will be plenty of opportunities to see the racecar in action as Porsche plans to run the 911 RSR in 19 races during the 2017 season, the first of which will take place at the IMSA opener on January 28th at Daytona, where the racecar will make its track day debut.

There's a Porsche Cayman under here somewhere

What we have here is the work of Dubai tuner Royal Customs that is controversial even beyond its styling. The Middle East aftermarket house says it spent fourteen months developing a bodykit for the Porsche Cayman, and the results seem to be aimed at those who wish their coupe were a 918 Spyder - the nose, strake-filled and widened rear fender, carbon fiber wing and massive diffuser all cribbing some from Stuttgart's new hybrid supercar.
Even without a buyer, the Alpha One Concept is already controversial. When WorldCarFans posted on the Royal Customs car recently, German tuner Alpha-N Performance wrote in alleging that the Dubai package copies their design from two years ago, which was also called the Alpha One, a design with which it's clear the Dubai Alpha One shares numerous cues. We asked Royal Customs about its relationship to the Alpha One car, we were told, "Yes, there is a lot we can say about the remarkable similarities all of which will be explained by our press release by Mr. Emil from Autogespot. Please wait for the official release and you will have the full exciting story. It's an 'actual success story' and not a 'replication' story."
The response is referring to an "extensive report" on the car coming out of Autogespot. Royal Customs doesn't have the Alpha One Concept on its site yet, so we're still missing quite a few details on it, such as whether the Porsche engine has been given a similarly 918-ish workover. We do know that the company says each car takes 30 days to build and it will only build three of them, which is a number that should satisfy any haters and, even more so, its buyers. You can decide which side of the fence you're on by having a close look at it in the gallery above.