Torque Solution Urethane Differential Inserts: Mitsubishi Evolution X MR & GSR 2008+ - TS-EVX-002Torque Solution Rear Differential Mount Inserts Description: These Solid 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 predictability on throttle input, along with