Key Features:
- Direct Fit For: 2018-2021 Subaru WRX STI H4-2.5L Turbo
- Dyno Proven Gains of up to 26 hp and 24 lb-ft. of torque
- Short Ram Air Intake Design
- Features Injens patented MegaRam (MR®) Technology
- Injens MR Technology provides massive power gains while maintaining A/F ratios
- No additional tuning required and no check engine lights
- Huge 3.250in mandrel-bent 6061-T6 aluminum intake tubing
- Includes custom heat shield specifically designed for this application
- Fully serviceable Injen SuperNano-Web dry air filter
- Available in multiple finishes
- Aggressive engine tone under full throttle
- Smooth intake piping eliminates restrictions and improves airflow
- Made in Pomona California, USA
- Injen Technology Limited Lifetime Warranty
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.
HYDROSHIELD
Available Colors:
Replacement Air Filters:
Enhance your 2018-2021 Subaru WRX STI's performance with the Injen SP1208WR - SP Series Short Ram Air Intake System, designed specifically for H4-2.5L Turbo engines. This high-quality air intake system provides a significant boost in horsepower and torque, ensuring your driving experience is not only more powerful but also more enjoyable.
Unleash Your Engine's Potential
The Injen SP1208WR is engineered to deliver impressive dyno-proven gains of up to 26 horsepower and 24 lb-ft of torque. Utilizing Injen's patented MegaRam (MR®) technology, this short ram air intake system optimizes airflow, allowing your engine to breathe easier and perform better without the need for additional tuning or any risk of check engine lights.
Superior Design and Build Quality
This intake system features large 3.250-inch mandrel-bent 6061-T6 aluminum tubing that ensures smooth airflow, which reduces restrictions and enhances engine response. The included custom heat shield protects the intake from heat soak, ensuring that your engine operates at peak performance even under demanding conditions.
Easy Maintenance and Custom Options
The Injen SuperNano-Web dry air filter is fully serviceable and designed for long-lasting durability, making maintenance hassle-free. Additionally, the intake is available in multiple finishes, including the eye-catching wrinkle red, polished, and wrinkle black options, allowing you to customize your engine bay aesthetics to match your style.
Aggressive Sound, Legendary Performance
One of the standout features of the Injen SP Series intake system is the aggressive engine tone it produces under full throttle, adding an exciting auditory element to your driving experience. Elevate your Subaru WRX STI's performance and sound with this carefully crafted air intake system.
Important Notes
Please note that the Injen SP1208WR is currently not CARB exempt and cannot be purchased or used in California or for any vehicle registered with the California Department of Motor Vehicles.
Explore More from Injen
Upgrade your Subaru's performance today with the Injen SP1208WR - SP Series Short Ram Air Intake System and feel the difference in power and responsiveness on every drive.