Injen Technology has done it once again with this new short ram air intake for the 2018-2021 Subaru WRX STI Equipped with the H4-2.5L Turbo Engine. The Injen Technology SP1208 performance air intake system is the result of countless hours invested in research and development to provide a proven intake system designed to add power and performance to your STI. The Injen Technology SP1208 intake system is a direct replacement for that restrictive factory airbox and provides a engineered solution that allows that turbo to breathe deeply and produce it's full power potential with a simple drop-in install. To top it all off, no tune is required to get the power numbers noted!
Additionally, this SP intake includes a fully serviceable Injen SuperNano-Web dry air filter, which provides increased filter surface area allowing for greater airflow and unbeatable filtration. If that's not enough, the Injen SP performance intake provides power you can hear and feel! This intake provides an aggressive and throaty tone that is unmatched in the aftermarket. Want to add that personalized touch to your intake? You're in luck, as Injen also offers this intake system in multiple finishes. To top it all off, this SP CAI kit includes the unbeatable Injen Technology limited Lifetime Warranty!
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 soul of the SP1208 intake is found within the 6061-T6 aluminum air intake tube that provides a smooth uninterrupted path for highly efficient airflow. The Injen Technology engineers have painstakingly designed the intake to provide the highest levels of safe power, along with clean aesthetics that will impress every time you open your hood. In addition to the impressive power increase, the Injen team has ensured that a safe Air fuel (A/F) ratio has been maintained throughout the power band.
Note: This product is not currently CARB exempt and is not available for purchase in California or for use on any vehicle registered with the California Department of Motor Vehicles.
SP Aluminum Series Short Ram Air Intake System, Part No. SP1208P, 2018-2021 Subaru WRX STI H4-2.5L Turbo
Injen 18-21 Subaru WRX STI H4 2.5L Turbo SP Aluminum Series Cold Air Intake - Polished
Injen's MR Technology provides massive power gains while maintaining A/F ratios
Includes custom heat shield specifically designed for this application
Smooth intake piping eliminates restrictions and improves airflow
Dyno Proven gains of up to 26 hp and 24 lb-ft. of torque
No additional tuning required and no check engine lights
Huge 3.250in mandrel-bent 6061-T6 aluminum intake tubing
Fully serviceable Injen SuperNano-Web dry air filter
Features Injen's patented MegaRam (MR) Technology
Polished SP Aluminum Series Air Intake System
Replacement air filter part number X-1059-BB
Aggressive engine tone under full throttle
Injen Technology Limited Lifetime Warranty
Optional Hydroshield part number 1040BLK
Available in multiple finishes
Made in Pomona California, USA
Engine Short Ram Air Intake
Short Ram Air Intake Design
SP1208WB (Wrinkle Black)
SP1208WR (Wrinkle Red)
Injen Cold Air Intake
SP1208P (Polished)
Cold Air Intake