The Cusco LSD Type-MZ rear differential is listed in a 2‑Way (1&2 Way) configuration for Subaru applications including 2001–2007 GDB and 2008–2013 GRB STI models. The 2‑way reference indicates broader clutch engagement characteristics compared with 1‑way units, offering rear locking behavior suited to aggressive driving and varied traction demands. It’s specified for direct rear differential replacement in supported models.
Cusco LSD Type-MZ 2-Way (1&2 Way) Rear for Subaru 01-07 GDB / 08-13 GRB STi