Bolder and badder but even more capable, the 2013 Ford Shelby GT500 stormed into LA with a vengeance. While its appearance hasn't changed much, virtually every other aspect of this Mustang-based ultimate performance variant has been subjected to a major rethink destined to further elevate its legendary status.

The formidable force-fed heart of the 2013 Shelby GT 500 -- its 5.8-liter V8 -- has been significantly enhanced to raise output from 550 to 650 horses and take peak torque from 510 to 600 lb-ft, stats that make it the most powerful production V8 in the world and give the 2013 Shelby GT500 a top speed in excess of 200 mph. A larger supercharger and more efficient intercooler package are primarily responsible for that added might, but the cooling system also has been revised to prevent any heat-related meltdowns.

>See more new cars unveiled at the 2011 Los Angeles Auto Show

Also helping the go-fast cause are revamped ratios for the car's six-speed manual transmission, a heavier-duty clutch and a new 3:31:1 final drive. The wizards at SVT also massaged the 2013 Shelby GT500's suspension, steering and AdvancTrac stability programming to enhance ride comfort as well as handling, yet still allow the driver to partially or fully deactivate the stability/traction control systems to optimize absolute performance. Another 2013 change sees the availability of a new Performance Package with SVT-designed Bilstein electronic adjustable dampers and a Torsen limited-slip differential that can be ordered alone or in conjunction with the competition-focused Track Package.

Although the exterior of the 2013 Shelby GT500 remains largely unchanged, it too, benefited from some TLC courtesy of SVT. To help better channel airflow at double-century velocities, the front fascia, grille and splitter elements were modified to enhance high-speed stability and keep the car tracking truer. The modifications reportedly increase aero loading by 33 percent at 160 mph compared to the 2011 nose configuration. Other 2013 variations include a new quad-outlet exhaust system and two new 19-inch and 20-inch forged-aluminum wheels that get wrapped in super-sticky Goodyear Eagle  F1 SuperCar G: 2 tires.

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