Awesome, or hideous? Tell us what you think of the new Russian-designed TopCar Porsche Panamera Stingray.

Russian tuners TopCar are showing off their package of modifications for the Porsche Panamera called the "Stingray."

The interior uses a carbon trim with a checkerboard look.  Combined with the perforated, quilted nappa leather the interior features many different patterns.

Its exterior features a new front bumper, carbon fiber hood, skirts, and rear 2-part spoiler, bumper, and diffuser.  Finishing trim includes tailamp covers and carbon fiber look window reveal mouldings. The company claims the aerodynamics are significantly improved over the stock vehicle with these changes.

The engine has been retuned to produce 542 horsepower (550 PS / 405 kW), though these changes were not detailed.  A new exhaust was also fitted.

The TopCar Porsche Panamera Stingray will debut at Dream Car 2010 in Moscow on April 2, before getting a wider introduction at Top Marques Monaco on April 15.

TopCar Porsche Panamera Stingray