Injen Cold Air Intake Polished - Subaru WRX/STI 2004-2007

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  • $299.71
  • Regular price $315.71

The Injen SP Series Air 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. The Injen SP Series is The World's First Tuned Intake System.