Cusco LSD Type-MZ 1-Way Front for Subaru 01-07 GDB / 11-14 GVB

This is the Cusco Type-MZ 1-way limited slip differential (LSD) for the front of your Subaru 2001-2007 Impreza WRX STI (GDB chassis) and 2011-2014 Impreza WRX STI (GVB chassis). A limited slip differential is a crucial component in your drivetrain that helps manage power distribution between the front wheels, especially during cornering or when traction is uneven. The Type-MZ is a clutch-type LSD, meaning it uses friction plates to lock the differential under acceleration, sending more torque to the wheel with better grip. This 1-way design primarily engages when you accelerate, improving traction and reducing understeer, which can make the car feel more responsive and predictable when you get on the throttle.

Cusco has a long history of producing well-built drivetrain components, and the Type-MZ is a popular choice for enthusiasts looking to improve their car's handling. This differential is designed to be a direct replacement for your factory unit, though installation will require removing the front differential and disassembling it to swap out the internals. The Type-MZ uses a specific number of friction plates and spring pre-load to achieve its locking characteristics, which Cusco tunes for a balance of performance and drivability. It's a well-known option for track days, autocross, or spirited street driving where improved traction out of corners is desired. You'll notice a more planted feel and better acceleration when exiting turns.

When installing a limited slip differential, it's important to use the correct differential fluid recommended by Cusco. This ensures proper lubrication and longevity of the clutch plates. You'll also want to ensure all seals and gaskets are replaced during the installation process. This differential is a significant upgrade for anyone looking to enhance their Subaru's performance and handling capabilities, especially if you're pushing the car in demanding driving conditions.