Available in 100 units only for Japan. It comes white color along with the carbon-fiber roof. This Impreza is special model to commemorate the victory in Nurburgring 24-hour race. Fuji Heavy Industries, the maker of the Impreza, has able to make a carbon roof that is lightweight and manages to lower the gravity of car for better handling. 

At the rear, big carbon fibre wings are used for better aerodynamics and adds aestheticism for this gorgeous machine. It is adjustable in 2-stages and styled with S206 emblem. The wheels are from BBS  with the size of 19″ x 8 1/2 J. Available in Alloy Black only.

Official release in Japan (translated by Google):

Subaru S206 NBR Challenge Package

For STI, even race car complete car, thinking that there is no change in flow.
Theories and techniques of commercial vehicles, in place of the race test, exercise. The experience gained in the race, and take advantage of commercial vehicles.
Victory in the Nürburgring 24 hour race,
Your victory is a tribute to you in favor of our making these cars.
Feelings of gratitude that rice, a special package to celebrate the victory in the Nurburgring 24 hour race, was only available in 100.
The roof is equipped with carbon roof was also used in race cars.
Fuji Heavy Industries Ltd. has achieved carbon roof Aerospace Company in collaboration with the
By weight in the roof of the vehicle even in the highest position, lower the center of gravity of the whole body,
Contribute to reducing roll moment of inertia.
Also, the rear spoiler attached to the dry carbon with a two-step angle adjustment.
BBS forged aluminum wheels are painted black,
Are coordinated and applied throughout the carbon.

Note: NBR = Nurburgring

via: Farms of Minds via: http://www.sti.jp/product/s206/nbr_p1.html