Mazdaspeed3(2007-2013) Rear Motor Mount Revision TwoTwo of the largest problems facing the Mazdaspeed3 are wheel hop and torque steer. One of the main causes for wheel hop and torque steer is excessive play in the motor mounts, more specifically the rear motor mount. This play allows the engine and transmission to buck under hard launches which triggers wheel hop and torque steer. Upgrading your rear motor mount on your MS3 is critical to preventing these problems. With a stiffer and smaller bushing