Injen SP Short Ram Cold Air Intake for 2018-2021 Subaru WRX STi (SP1208)

Injen’s SP1208 short ram air intake for 2018-2021 Subaru WRX STI boosts power by replacing the restrictive factory airbox with a high-flow 6061-T6 aluminum tube. It features patented technologies like MegaRam (MR) and Air Fusion, ensuring efficient, safe airflow without the need for tuning. The intake includes a SuperNano-Web dry filter and comes in multiple finishes, backed by a limited Lifetime Warranty.

Vehicle Fitment:
2018-2021 Subaru WRX STi
(VA EJ25)

Features & Specs:
• Dyno Proven gains of up to 26 hp and 24 lb-ft. of torque
• Short Ram Air Intake Design
• Features Injen’s patented MegaRam (MR®) Technology
• Injen’s 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

More from Injen:
Injen Technology has once again delivered with its new short ram air intake, specifically designed for the 2018-2021 Subaru WRX STI equipped with the H4-2.5L Turbo Engine. The Injen SP1208 performance air intake system is the product of extensive research and development, providing a proven solution to increase power and performance. It replaces the restrictive factory airbox and allows the turbo to achieve its full potential with a simple drop-in installation—no tuning required for the advertised power gains!

The SP series, Injen's flagship cold air intake line, features advanced patented technologies like MegaRam (MR) and Air Fusion, making it the first tuned air intake system in the industry. The 6061-T6 aluminum intake tube ensures smooth airflow for optimal power, while maintaining safe air-fuel ratios across the power band. Additionally, the intake comes with a fully serviceable SuperNano-Web dry air filter for enhanced airflow and superior filtration. To personalize your setup, this intake is available in multiple finishes, and as always, it comes with Injen’s limited Lifetime Warranty.

Emissions Statement:
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.