Subaru WRX STI 6-Speed Transmission R180 Diff Brembo

Description

The JDM Subaru WRX STI 6-speed transmission with R180 differential and Brembo brake package is the ultimate upgrade for Subaru enthusiasts looking for durability, performance, and OEM reliability. Imported directly from Japan, this drivetrain package includes everything needed to bring your WRX or STI up to factory STI performance standards. With the legendary Subaru 6-speed gearbox, robust R180 rear differential, and Brembo calipers, this setup is designed to handle high horsepower while delivering precise shifting and braking.

Performance & Reliability

The Subaru 6-speed manual transmission is one of the strongest gearboxes produced by Subaru. Built to withstand the torque of the turbocharged EJ20 and EJ25 engines, it provides crisp gear engagement and durability even under spirited driving. Paired with the R180 rear differential featuring a 3.54 final drive, this setup ensures excellent traction and stability.

This drivetrain package also includes genuine Brembo brakes, offering four-piston calipers in the front and two-piston calipers in the rear. Known for consistent stopping power and fade resistance, these brakes provide confidence whether on the road or track. Each component is tested for smooth operation before shipping to ensure OEM reliability.

Fitment

This complete package is a direct fit for Subaru WRX STI models from 2002 to 2007 with GD and GG chassis. However, it can also be retrofitted into other Subaru platforms with the correct supporting components.

Fits in:

Subaru Impreza WRX STI (2002–2007 GD/GG) – direct fit

Subaru Impreza WRX (2002–2007) – requires driveshaft and hub upgrades

Subaru Legacy GT (2005–2009) – upgrade swap with modification

Subaru Forester XT (2004–2008) – upgrade swap with modification

Subaru Outback XT (2005–2009) – upgrade swap with modification

Always verify gear ratio and final drive compatibility with your ECU and drivetrain before installation.

Warranty & Installation

This drivetrain package includes a 6-month limited warranty covering defects in the transmission, differential, and brake calipers. Professional installation is highly recommended, as proper fitment requires drivetrain alignment, wiring confirmation, and brake line setup. Using OEM fluids and parts during installation ensures the best results and longevity.

Conclusion

The JDM Subaru WRX STI 6-speed transmission with R180 differential and Brembo brakes is the perfect solution for enthusiasts wanting OEM strength and reliability. Known for its durability, precise shifting, and strong braking performance, this package is trusted by Subaru owners worldwide. Whether you are restoring an STI or upgrading a WRX, Legacy GT, or Forester XT, this drivetrain delivers unmatched performance and confidence.