The Michigan-based company, Specter Werkes, which is popular with tuning of their cars in the group of GM, has prepared a statement for the upcoming SEMA 2009 in Las Vegas, his version of the new Corvette C6. Tuned car is called the Corvette C6 GTR, as its 7.2-liter engine has received double turbo system Lingenfelter, led to an increase in its power to 800 h.p. Corvette C6 GTR is equipped with highly efficient braking system StopTech STR, which has a thickness 6-stroke front and 4-stroke rear and exhaust system brand Corsa, with many original cores. The car has also received external body-kit, giving it more competitive species. Color coding is metallic blue and its rear is painted in matt black, as in the lower part was added solid carbon diffuser. Wheels are 22-inch covered with tires Michelin Pilot Sport PS2 Zero Pressure.

Company SV Motor Co, which is based in San Francisco, disseminate official photos of the vehicle SV 9 Competizione, whose design is a combination of Italian style and American performance. SV 9 Competizione is based on the Corvette C6, but thanks to the new full carbon bodywork, vehicle weight is less than 1 400 kilograms decreased. The car is equipped with a special set sports suspension and powerful braking system of the high exhaust ANSA Automotive. The standard 6.2-liter V8 engine of the Corvette C6 is only 14 h.p. more power, as she reached 444 h.p. Because of this, the car accelerates from 0-60 miles per hour (96 kilometers / h) for 4sec quarter and passed for 12sec. SV of 9 Competizione will be produced 1,000 copies, as the car can be ordered in 25 different body colors, which in turn is able to be combined with 5 kinds of interior design and 4 types of wheels. The price of the SV 9 Competizione in the U.S. is 99 995 dollars.