Precision Works Transmission Mount Kit 02 24 Subaru WRX Private GENUINE SUBARU IMPREZA WRX STi HEAVY DUTY GROUP N ENGINE GEARBOX MOUNT Cusco Engine & Transmission Mount Set Subaru WRX CUSCO Engine Mount Set SR20 S13 S14 S15 NST Parts 2008 2014 SUBARU WRX TRANSMISSION MOUNT 5 SPEED 5MT OEM. The engine & transmission mounts utilize a higher strength formulation of rubber compound, called HD Rubber. Replacing your factory mounts with these will stabilize your power train and help eliminate that annoying chatter or knocking from old, broken mounts. The result is a more linear and direct engine feel during high revolutions, which translates to a more responsive power output in reference to throttle position. Used in professional motorsports across the world, beware of imitators and make sure to get the original Cusco mounts. 2018 2014 Subaru Impreza WRX STi Hatchback GH8 GRB GRF 2011 2014 Subaru Impreza WRX STi Sedan GVB GVF 2015 2021 Subaru SRX STi VAF 2004 2007 Subaru Impreza WRX STi Sedan GDF 1998 2001 Subaru Impreza 2. 5RS GC8 1993 2001 Subaru Impreza 4 Door GC8 3 pieces set (Engine x 2 & Transmission x 1) Direct OE Replacement Bolt on HD Rubber and Metal Will increase body shakes and noise