Injen SP1206P Cold Air Intake System Subaru Impreza Sti 2015

SP Series Intake Systems Feature the Patent Pending MR Technology Process for Optimal Gains and a Safe A/F Ratio. The SP series does not limit itself to just a Cold Air System or Short Ram System. The MR Technology process has its effects on both types. SP is The World's First Tuned Intake System.
Product also has Air Fusion (Patent Pending with Injen) design.