Group-N Transmission Mount

The Group-N Transmission mounts are made by Subaru Technica International (STi) to replace the stock parts. They are made using stiffer rubber and plastic to reduce movement of the transmission under hard acceleration and braking. These are strongly recommended for highly modified engines.

Professional installation is strongly recommended.

Please note that because of the harder rubber compount, you may experience some additional Noise, Vibration, and Harshness (NVH).

Subaru OEM Group-N Transmission Mount

Subaru's performance division Subaru Technica International (STi) realized years ago that there were real benefits to stiffer engine and transmission mounts for modified cars, and for motorsport use. They produced these Group-N mounts for homologation in some Rally classes, but enthusiasts quickly realized that they were beneficial on modified cars as well.

Subaru currently makes 2 Group-N transmission mounts. One is for the Subaru 5-Speed, and one is for the STI 6-Speed. Fitment is as follows:


D1010FE020     5-Speed Mount / VA WRX 6-Speed Mount

  • 2002 - 2014 Subaru WRX
  • 2015 - 2019 Subaru WRX
  • 2004 - 2008 Subaru Forester XT
  • 2005 - 2009 Subaru Legacy GT
  • 2005 - 2009 Subaru Outback XT


D1010FE000     STI 6-Speed Mount

  • 2004 - 2019 Subaru STI 


warning_symbolWARNING: Operating, servicing and maintaining a passenger vehicle or off-road vehicle can expose you to chemicals including engine exhaust, carbon monoxide, phthalates, and lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. To minimize exposure, avoid breathing exhaust, do not idle the engine except as necessary, service your vehicle in a well-ventilated area and wear gloves or wash your hands frequently when servicing your vehicle. For more information go to

More Information
SKU Subaru OEM Group-N Transmission Mount
Product Type Drivetrain
Drivetrain Mounts and Chassis Bracing
Brand Subaru JDM
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