Injen Short Ram Air Intake Polished 2002-2007 WRX / 2004-2007 STI

Injen's engineers invested countless hours in the design, testing, and refinement of this intake to deliver serious bolt-on horsepower gains—all while maintaining safe and reliable air-fuel (A/F) ratios across the entire powerband.

At the heart of the system is a mandrel-bent aluminum intake tube, engineered for a smooth, unrestricted path of airflow to your engine. Paired with our fully serviceable Injen SuperNano-Web Dry Air Filter, this intake offers a massive filter surface area for maximum airflow and superior filtration. The result? Power you can feel—and hear.

The Injen IS Performance Intake doesn’t just boost performance, it enhances your driving experience with a deep, throaty induction tone that comes alive when you step on the throttle.

Features:

• Dyno Proven gains of up to 10 hp and 10 lb-ft. of torque
• Provides power gains while maintaining A/F ratios with no additional tuning
• T6-6061 Mandrel-bent aluminum intake tubing
• Fully serviceable Injen SuperNano-Web dry air filter
  
• Aggressive engine tone under full throttle
• Smooth mandrel-bent Intake piping eliminates restrictions and improves airflow
• CARB EO #: D-476-5
  

Installation Instructions