The Legacy STI S402 is a limited edition (402 units) high-performance series for the Japanese market. It includes a 2.5L twin scroll turbo engine rated 285 PS (210 kW; 281 hp) at 5,600 rpm and 392 Nm (289 lb-ft) at 2,000–4,800 rpm, Bilstein shocks, 18x8-inch BBS forged wheels (from S203, S204) with Potenza RE050A 235/40R18 91W tires, Brembo 6-piston front and 2-piston rear brake calipers (from Subaru Impreza type RA-R), Vehicle Dynamic Control stability control. A special serial number plate is added to the center console and engine bay VIN plate. Variable valve timing was added and the ECU was updated to improve acceleration.
Source: Wikipedia (original)