STI Group N Engine Mount Kit - PAIR TO SUIT 1994-2014 WRX/1994-2021 STISKU: ST4100055110 ST4100055120 These Motor Mounts are made of a stiffer material then the stock mounts. These are homogenized STI "Group N" mounts. These will reduce the motion of your engine during Acceleration, Hard Cornering, and High Revving. They give you a better feel of the engine through the shifter lever and Channel more power through the drivetrain. Constructed the same way as the OEM units, however using a much stiffer and higher quality