The Injen SP Series Intake Systems Feature the Patent Pending MR Technology Process for Optimal Gains and a Safe A/F Ratio. The Injen SP Series Intake System 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 Intake is The World's First Tuned Intake System.

Includes

• Heat Shield
• Nano-fiber Dry Air Filter

Notes

• Carb EO#: D-476-5
• Replacement Filter: X-1013-BB

Fitment

• Subaru Impreza STI 2008-2014
• Subaru Impreza WRX 2008-2014