Is your engine choking for air and in need of some additional horsepower? If so, Injen has exciting news for you! The SP series of cold air intakes from Injen Technology will allow your engine to breathe deeper and enhance the performance that you?ve been craving. The SP series of cold air intakes is Injen?s flagship system in their lines of traditional aluminum cold air intake systems. Injen Technology is the world?s first tuned air intake system and holds four (4) patents on the tuning process of an intake system ? something no other manufacturer can claim. The SP series of cold air intakes feature many of Injen Technology?s patented tuning process, including MegaRam (MR) Technology (Patents 7,359,795 and 7,669,571), Air Fusion (Patent 7,721,669), and many other innovations that keep Injen Technology at the forefront in the performance aftermarket.

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 ...

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 is The Worlds First Tuned Intake System…

SP Cold Air Air Intake System, Part No. SP1204BLK, 2008-2013 Subaru Impreza WRX STI H4-2.5L Turbo, 2008-20013 Impreza WRX H4-2.5L Turbo.

Cold Air Intake System; Incl. Tubing/Filter/Heat Shield/Hardware/Instruction; HP Gains +33.2 HP/Torque Gains +31.2 ft. lbs.; Black;

Subaru 08-13 WRX 2.5L Turbo; 08-13 Sti 2.5L turbo 4 Cyl. Incl. heat shield w/web Nano-fiber dry Air Filter

Injen 08-13 Subaru WRX/STi 2.5L (t) Black Cold Air Intake

Injen Air Intake - SP Series Intake System

SP Series Cold Air Intake; w/ HeatShield

SUBARU COLD AIR INTAKE SYSTEM

Engine Cold Air Intake

Injen Cold Air Intake

Cold Air Intake

Air Intake Kit

Cold Air