The Subaru Group N Mounts utilize a higher durometer polyurethane, which will firm up the driveline and add a more crisp and accurate shift feel without significantly increasing noise, vibration or harshness. An excellent supporting modification to consider when pulling your motor or transmission for internal work. The item "Subaru STI Group N Motor mount kit, 6 speed Transmission Mount 2004 2015 STI" is in sale since Sunday, July 29, 2012.This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Engines & Components\Motor Mounts". The seller is "built_not_bought_automotive" and is located in Chesapeake, Virginia. This item can be shipped worldwide.