2013 Nissan Altima 2.5L 4cyl Black Short Ram Intake w/ MR Tech/Heat Shield by Injen (SP1948BLK)PART# INJ SP1948BLK
SP Series Intake System:
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.