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The COBB rear diff-to-subframe bushing kit fits 2008–2021 Subaru WRX & STI, including 2018 Type RA, 2019 S209 and select FXT models. This kit replaces the factory bushings that secure the rear differential to the subframe, restoring proper mounting stiffness and alignment. Intended as a direct-fit service item, the bushing pack helps maintain drivetrain positioning and reduces unwanted play from worn isolators.
Cobb 08-21 Subaru WRX & STI/2018 Type RA/2019 S209/09-13 FXT Rear Diff to Subframe Mount Bushing Kit
