Polaris has announced plans to shut down its Osceola, Wis. manufacturing plant, while establishing a new facility in Mexico and enhancing existing facilities in Roseau, Minn. and Spirit Lake, Iowa. The Osceola plant employs more than 500 people.

Polaris’ engineering team has decided to make some significant changes to the championship-winning IQ Racer for 2011.

Polaris likes to say its sleds offer “Terrain Domination.” The Minnesota-based manufacturer backed those words up with its performance at the ISOC Amsoil Championship Series season finale at Lake Geneva, Wis.