Post by: AutomotiveThe Subaru WRX STI, when equipped with proper tires, is capable of impressive all-weather performance. But when even snow tires are not enough, Subaru offers a solution - a 400-hp WRX STI equipped with a snow tracks system, as showcased at the 2009 Specialty Equipment Manufacturers Association (SEMA) Show at the Las Vegas Convention Center , Nov. 3-6.Starting with a