Modified

The Mercedes-Benz SL65 AMG Black Series is one car not in need of an upgrade but that hasn’t stopped the guys at Brabus from increasing the car’s performance to the level of the world’s top supercars. In stock form the potent GT already develops a hefty 661 horsepower but after some Brabus...

Oberlin, Ohio isn’t the likely site for a company specializing in high-output power upgrades for exotic cars, but the state is home to Switzer Performance Innovations (SPI), a company churning out mega horsepower cars. Started by Tym Switzer several years ago, the tuning firm is now offering...

Scion unveiled its second-generation tC Coupe at last week’s 2010 New York Auto Show and without any delay also rolled out a highly modified version to show off the car’s tuning potential. Developed in conjunction with tuning firm Five Axis, the special 2011 Scion tC demonstrates one of the...

Alpina's range of souped-up, custom BMWs is the stuff of legend. Since the late 1970s the custom house has taken on the best of the BMW lineup, including the 3-Series, 6-Series, 7-Series, 8-Series and the Z1, Z4 and Z8 roadsters, as well as the 5-Series, the latest version of which, the 2011 Alpina...

The Nissan GT-R is the quintessential Japanese sports car--high-tech, efficient and with styling that could only have come from the Land of the Rising Sun--but when it comes to performance tuning of the latest R35 model, America is king. AMS Performance, based in Chicago, Illinois, currently builds...

Popular Ford tuner Roush has teamed up with auction house Barrett-Jackson and together the two have created a new limited edition Ford Mustang that will be built in a run of just 50 cars, 25 of which will be 2010 Ford Mustangs and the other 25 being the new 2011 model. A concept version of the new...

A high-revving, sweet-sounding V-8 is a marvelous thing, and BMW's 4.0-liter V-8 in the M3 is a prime example. The tuners at Dinan, however, weren't satisfied with the factory-supplied 414 horsepower and thus have boosted output of the car to a tire-vaporizing 527 horsepower and 407...

The formula for supercar success is surprisingly simple: mid-engine, rear or all-wheel drive, 500-plus horsepower and look-at-me styling--so the latest creation from Audi tuning specialists ABT Sportsline is almost guaranteed to be a hit from the get-go. The tuners at ABT have been very busy in...

Tuner cars are often examples of the worst sort of overkill, but occasionally a car will sneak through with less-than-typical appearance modifications and a monstrously re-engineered heart. Such is the case with the Vath V58K, an extreme take on the SLK55 AMG. The Germans at Vath decided that...

Remember the Ferrari P540 Superfast Aperta? If not, we’re sure you at least remember the multi-million dollar Pininfarina designed P4/5 based on the Ferrari Enzo. Both cars were special one-offs designed and developed exclusively for their respective well-heeled owners, and if you too fancy...

The Bentley Shooting Brake will be available for limited order.

Not so long ago the idea of a hybrid powertrain in a sports car was anathema to enthusiasts. But after last year's Formula 1 season, the debut of cars like the Tesla Roadster and Audi's series of all-electric e-tron concepts, as well as the wider acceptance of hybrids in general by the buying...

Mercedes-Benz is hopping onto the OEM vehicle customization bandwagon by launching the new MercedesSport line of accessories at next week’s 2010 Geneva Motor Show. Similar to the BMW Individual and much more exclusive Ferrari One-to-One programs, MercedesSport will allow customers to pick and...

The 2011 BMW Alpina B7 is BMW's hottest 7-Series.

Mercedes-Benz has AMG, Nissan has Nismo and even Lexus has the new F-Sport performance division, but what about Toyota? The Japanese auto giant does have a motorsport arm, Toyota Racing Development (TRD), but marketers have never really been able to capitalize on the go-fast division’s name...

During the opening gala for the Barrett-Jackson Collector car auction, which took place in Scottsdale, Arizona tonight, Carroll Shelby and the Shelby American team unveiled the brand new 2011 Shelby GT350 based on the V-8 powered 2011 Ford Mustang GT. The new car was developed in celebration of the...

The buzz is still wearing off the Detroit Auto Show but Japanese automakers are already at it again, this time at the 2010 Tokyo Auto Salon taking place in Japan this week. Similar to Las Vegas' annual SEMA event, the Tokyo Auto Salon is a hotbed for aftermarket and performance tuners showing off...

Ordering a custom Bentley just got a whole lot easier. Sure, you still need to be well-heeled, but now you can leverage some of the styling expertise within Bentley's design department thanks to the Series 51 Continental package. The Series 51 package, available on the Continental range’s GT, GT...

The 2011 Ford Mustang GT complete with its 5.0 badging and new V-8 engine has made its hip-hop debut alongside Grammy Award-winning artist Nelly as part of his upcoming album's artwork. The album, set to launch this spring, features this modified version of the Mustang GT on its front cover. Nelly...

Starting with the world’s cheapest car, the Tata Nano, which normally retails from about $2,000 in its home market, Indian vehicle customizer and coachbuilder DC Design has added enough luxury and performance amenities to send that pricetag up to the $220,000 mark. Whether the modifications...