Upgrade your 2018-2021 Subaru WRX STI with the Injen SP Short Ram Air Intake System, designed to deliver impressive power gains and enhanced throttle response. This direct-fit intake boosts horsepower by up to 26 hp and torque by 24 lb-ft, making it a top choice for Subaru enthusiasts seeking reliable performance improvements without complex tuning.

Featuring Injen’s patented MegaRam (MR®) Technology, the intake maintains optimal air/fuel ratios for smooth, consistent power delivery. The system includes a large 3.250-inch mandrel-bent 6061-T6 aluminum intake tube and a custom heat shield tailored for your STI. The SuperNano-Web dry air filter is fully serviceable, ensuring long-term durability. Plus, the aggressive engine tone under full throttle adds to the driving experience.

Perfect for Subaru WRX STI owners wanting a straightforward upgrade, this intake requires no additional tuning or check engine light worries. Enhance your turbocharged STI’s airflow and sound today—available now at Subimods with expert support and fast shipping.