Adding new single-player and multiplayer modes to the racing video game, Grip Shift's Turbo Expansion Pack was released on February 13, 2008.
The "Turbo Expansion Pack" downloadable content was released on February 13, 2008 exclusively for the Xbox 360 version. The content adds new single-player and multiplayer modes, eight Race Tracks, eight Deathmatch Arenas, and eighteen new music tracks. GripShift is a racing video game. 
