COBB Rear Diff Pinion Crossmember Mount Bush Kit | Subaru WRX/STI (08-21) / Forester XT (09-18) (CB-3200K)
COBB Rear Diff Pinion Crossmember Mount Bush Kit | Subaru WRX/STI (08-21) / Forester XT (09-18) (CB-3200K)
SKU:CB-3200K
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The COBB Rear Differential Pinion Crossmember Mount Bushing Kit is a performance upgrade designed to enhance the rear differential stability of select Subaru models. Compatible with 2008–2021 WRX, 2008–2021 WRX STI, and 2009–2018 Forester XT vehicles, this kit replaces the factory bushings with high-quality polyurethane components rated at 85a durometer. The proprietary polyurethane material improves durability and reduces torque twist, allowing for more efficient power transfer from the drivetrain. This results in improved handling characteristics without introducing additional noise or vibration, making it an ideal upgrade for enthusiasts seeking better rear-end control and drivetrain responsiveness.
This bushing kit is engineered as a direct replacement for the rear differential pinion crossmember mounts on the specified Subaru models. Installation is straightforward, designed to fit the factory mounting points without modification. The kit is suitable for street, track, and daily driving applications where enhanced drivetrain stability is desired. By minimizing differential movement under load, it supports improved traction and vehicle dynamics during acceleration and cornering. This upgrade is particularly beneficial for drivers who demand sharper handling and more precise power delivery from their Subaru WRX, WRX STI, or Forester XT.
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Overview
Overview
COBB Rear Differential Pinion Crossmember Mount Bushing Kit
Fitment: 2008-2021 Subaru WRX, 2008-2021 Subaru WRX STI, 2009-2018 Forester XT
Part #: CB-3200K
Overview
The COBB Rear Differential Pinion Crossmember Mount Bushing Kit is engineered to enhance the rear differential stability and overall handling of select Subaru models. Designed specifically for the 2008-2021 WRX, 2008-2021 WRX STI, and 2009-2018 Forester XT, this kit provides a significant upgrade to the drivetrain mounting system. It is ideal for enthusiasts seeking improved power transfer and reduced drivetrain movement without introducing additional noise or vibration.
By reducing torque twist, these bushings help your vehicle maintain better traction and responsiveness during acceleration and cornering. The kit is perfect for drivers who want to support their Subaru’s performance capabilities while maintaining daily drivability and comfort.
Key Features
This kit offers a range of benefits through its carefully selected materials and design:
- Constructed from a proprietary polyurethane formula with an 85a durometer rating for optimal balance between stiffness and compliance
- Reduces rear differential movement to improve power delivery and drivetrain stability
- Minimizes torque twist, enhancing throttle response and vehicle control
- Designed to decrease unwanted noise and vibration compared to worn or stock rubber bushings
- Precision fitment tailored for specific Subaru models to ensure proper installation and performance
Installation & Fitment
The COBB Rear Differential Pinion Crossmember Mount Bushing Kit is designed as a direct replacement for the factory bushings on compatible Subaru models. Installation requires removal of the rear differential crossmember mount bushings and replacement with the COBB kit components. Fitment should be verified against your vehicle’s model and year to ensure compatibility with the part number CB-3200K.
