
Torque Solution Upper Differential Mount Inserts (Part Number: TS-SU-303) is built for Subaru WRX / STi 2015+. Torque Solution Billet/Polyurethane bushings are much harder compared to the OEM units. By replacing them with these harder Polyurethane units you are able to get rid of the unwanted slop and flexing of the stock units which allows for the power to go into rotating the tires, instead of flexing the rubber. Giving you better feedback, sharper response, more
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