COBB Transmission Crossmember Isolator Kit (CB-3199K) | Subaru WRX 2008-2021 / STI 2008-2021 / Legacy GT 2005-2009 / Outback XT 2005-2009

The COBB Transmission Crossmember Isolator Kit (CB-3199K) improves drivetrain stability and reduces unwanted movement in Subaru WRX, STI, Legacy GT, and Outback XT models. Designed as a direct upgrade over the soft factory isolators, this kit increases rigidity at the transmission crossmember, resulting in sharper shifting feel, reduced drivetrain lash, and more consistent power delivery.

KEY FEATURES

• Replaces factory rubber isolators with firmer, performance-oriented components
• Reduces transmission movement to improve shift precision and throttle response
• Enhances drivetrain stability under hard acceleration, braking, and cornering
• Direct-fit installation using OEM crossmember mounting points
• Durable construction designed to withstand long-term heat, load, and vibration exposure
• Ideal complement to upgraded engine mounts, pitch stops, or shifter bushings

TECHNICAL SPECIFICATIONS

• Engineered from high-durometer materials to limit drivetrain deflection
• Precision-molded isolators shaped to fit the OEM crossmember channels
• Maintains alignment of transmission mounting surfaces for consistent engagement
• Compatible with both factory and aftermarket transmission braces
• Designed for improved driving feel without excessive NVH in daily use

VEHICLE FITMENT

• Subaru WRX 2008–2021
• Subaru STI 2008–2021
• Subaru Legacy GT 2005–2009
• Subaru Outback XT 2005–2009

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