The Mishimoto single ignition coil for 2011+ Subaru WRX STI is a direct-fit replacement intended to restore consistent spark for high-load and boosted driving. It reduces misfires and spark loss that can compromise performance in tuned EJ engines. Built to meet or exceed OEM Subaru specifications, the coil features robust construction and a precision lower boot to resist moisture; installed with fresh plugs it can refresh idle, startup and overall engine response.
Mishimoto 2011+ Subaru WRX STI Single Ignition Coil