NGK Iridium SILFR6A Spark Plug Set 2008-2020 WRX STI Hatchback and Saloon 2.5L. Does not fit 2.0L.
Laser Iridium High Ignitability Plugs offer the best combination of performance and longevity.
Always confirm compatibility of plugs before fitting- ensure the part numbers match your factory fitted original plugs