Whiteline's differential insert bushings work within the voids of the original factory bushing to ensure pinion angles are maintained while delivering an improved gear shift resulting in reduced initial torque loss and greater power transfer to the wheels.

Fits the following:
|2013-2015 Subaru XV Crosstrek,|2015-2018 Subaru WRX,|2015-2018 Subaru WRX STI,|2009-2018 Subaru Forester,|2008-2016 Subaru Impreza,|2004-2009 Subaru Legacy