Injen Cold Air Intake System For 2006 M45 4.5L V8 w/MR Technology

These 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.