Injen Short Ram Intake System For 01-05 M3 3.2L 6 Cyl.

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.Full Cast Aluminum Intake w/MR Technology (incl. Heat Shield)