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Differentials

Subaru Performance Differentials & Parts

Differentials

IAG Performance carries Differentials and Differential Accessories for your 2002-2023 WRX, STI, Legacy GT, Forester XT, and BRZ. We have all the parts you need for your Subaru such as Limited Slip Differentials, Ring Gears, Pinions, Differential Covers, Braces, and more.

 

Here are just a few of the brands we carry-
Cusco, Driveshaft Shop, Greddy, OS Giken, Perrin Performance, and more.

Diff Brace
Photo collage of Kartboy differential braces.

Diff Brace

Keeping the differential securely mounted is important for maintaining consistent drivetrain performance. Designed for Subaru WRX, STI, BRZ, Legacy GT, and Forester XT applications, differential braces help reduce differential movement during acceleration, shifting, and spirited driving. IAG Performance offers durable differential reinforcement solutions from Kartboy to help improve drivetrain control and long-term reliability on EJ25, FA20, and FA24 platforms.

Diff Braces
Photo collage of diff braces and bushings.

Diff Braces

Hard launches, aggressive shifting, and increased horsepower can place added stress on your Subaru's differential and mounting points. IAG Performance carries differential braces for WRX, STI, BRZ, Legacy GT, and Forester XT models, designed to reinforce the differential and help reduce unwanted movement under load. These drivetrain upgrades can improve drivetrain stability, enhance power delivery, and add durability for street-driven and performance-focused Subarus. Featuring quality differential braces from Kartboy.

Differential Covers
Photo collage of Greddy Differential Covers

Differential Covers

Protecting your differential is essential for long-term drivetrain reliability, especially in high-performance applications. IAG Performance carries differential covers for Subaru WRX, STI, BRZ, Legacy GT, and Forester XT models, designed to help retain gear oil, protect internal components, and withstand demanding driving conditions. Whether you're maintaining a street-driven Subaru or building a track-focused vehicle, a quality differential cover can help safeguard gears and bearings while supporting reliable drivetrain performance. Featuring premium differential covers from GReddy.

Gears
Photo collage of Cusco Gears for Subaru BRZ.

Gears

Transmission gears play a critical role in how your Subaru delivers power and handles increased performance demands. IAG Performance carries transmission gears for WRX, STI, BRZ, Legacy GT, and Forester XT models, offering durable drivetrain components designed for street, drag racing, and track applications. Whether you're rebuilding a transmission or upgrading for additional strength, quality gears can help improve reliability and support higher horsepower levels. Featuring premium transmission gear options from Cusco for EJ25, FA20, and FA24 platforms.

Limited Slip Differentials
Subaru Limited Slip Differentials

Limited Slip Differentials

IAG Performance sells Limtied Slip Differentials that are designed to work with your 2002-23 WRX, STI, Forester XT, Legacy GT, and BRZ. We have a large selection of LSDs from trusted manufacturers like Cusco, OS Giken, and more.

 

Here are just a few of the brands we carry-
Cusco, OS Giken

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