COBB Rear Diff Pinion Crossmember Mount Bushings (CB-3200K) | Subaru WRX 2008-2021 / STI 2008-2021 / Forester XT 2009-2018

The COBB Rear Diff Pinion Crossmember Mount Bushings (CB-3200K) replace the soft factory rubber bushings with firmer, performance-focused components to reduce drivetrain movement on Subaru WRX, STI, and Forester XT models. This upgrade improves rear differential stability, sharpens throttle response, and minimizes unwanted lash under acceleration, deceleration, and gear changes.

KEY FEATURES

• Replaces OEM rubber bushings with high-durometer components for improved rigidity
• Reduces differential movement to enhance throttle response and power transfer
• Improves overall drivetrain stability during acceleration, braking, and cornering
• Helps eliminate wheel hop and diff lash commonly felt with worn factory bushings
• Direct-fit installation using OEM crossmember mounting points
• Durable construction designed to resist heat, load, and long-term wear

TECHNICAL SPECIFICATIONS

• High-durometer bushing material engineered to minimize flex under load
• Precision-molded components ensure proper alignment with the differential pinion mount
• Improves rigidity without excessive noise, vibration, or harshness
• Compatible with factory rear differential housings and crossmembers
• Ideal upgrade for performance-oriented street driving or track use

VEHICLE FITMENT

• Subaru WRX 2008–2021
• Subaru STI 2008–2021
• Subaru Forester XT 2009–2018

COBB delivers proven, data-driven performance solutions engineered to optimize your Subaru with unmatched precision and reliability.