COBB Spark Plugs EJ25 2004-2021 WRX, STI, Legacy, Forester, Outback | D44700 Miata_2006-2014 Installs directly into unused slot

Installs directly into unused slot on the back of the center console for a completely OEM look and feel

The install is simple and straight forward

-Fuel Filter (-01 Cellulose

Part #: NSK1000-SS-X

COBB Spark Plugs EJ25 2004-2021 WRX, STI, Legacy, Forester, Outback | D44700 Miata_2006-2014 Installs directly into unused slotFitment Information: Subaru STI 2004 2021 Subaru WRX 2006 2014 Subaru Legcacy GT 2005 2009 Subaru Forester XT 2004 2013 Subaru Outback XT 2005 2009 This is the factory spark plug as installed in the 2018 Subaru WRX STI Type RA and 2019 Subaru WRX STI. The main differences are a heat range that is one step cooler as well as a slightly tighter gap than previous factory spark plugs. These serve as a factory replacement for the 2018 STI Type RA and 2019