Product Fitment: 2013-2017 Subaru Crosstrek 2013-2019 Subaru Outback 2.5L 2013-2019 Subaru Legacy 2.5L 2012-2016 Subaru Impreza 2.5 NA 2011-2018 Subaru Forester 2.5 NA The improved throttle response, superior anti-fouling and high-ignitability makes Iridium IX ideal for the performance enthusiast. Iridium’s extremely high melting point is perfectly suited to today’s high-temperature engines, delivering outstanding acceleration, fuel efficiency and durability. Fine iridium tip ensures high durability and a consistently stable spark Trivalent metal plating for superior anti-corrosion and anti-seizing properties Outstanding acceleration, high fuel efficiency and durability Laser Iridium is designed alongside OEMs to meet quality and durability standards for each manufacturer. Featuring high-grade alumina silicate ceramic and fine wire center electrodes, the Laser Series brings OE performance to every engine.