Mishimoto ignition coil (MMIG-STI-1104) is designed to meet OEM Subaru standards, fitting WRX, STI, Forester XT, and Legacy GT models with EJ255/EJ257 engines.
Mishimoto’s 19-row oil cooler kit (MMOC-STI-15T) drops oil temps 20+°F on 2015-2018 Subaru WRX STI models with direct-fit brackets and -10AN stainless lines.