Process West Cold Air Intake
Not sure which option fits your application? Contact Us — we're happy to help.
Process West Cold Air Intake w/ K&N Filter – Subaru WRX & STI (1997–1998)
The Process West Cold Air Intake is designed to unlock more power and enhance induction sound on your EJ-powered Subaru. By replacing the restrictive factory intake, this system allows greater airflow to the turbocharger, improving throttle response and overall engine performance.
Key Features
- Lightweight CNC mandrel-bent aluminium intake tubing
- Precision CNC-machined airflow meter mount for factory sensor compatibility
- Includes a high-flow K&N performance air filter
- Durable black powder-coated finish for an OEM-style look
- Direct bolt-on fitment with no cutting or drilling required
Performance Benefits
- Improved horsepower and torque potential
- Sharper throttle response and enhanced engine breathing
- Sportier induction sound under acceleration
Vehicle Compatibility
Subaru WRX (1997–1998) – EJ20 Turbo
Subaru WRX STI (1997–1998) – EJ20 Turbo
Note: ECU recalibration is recommended after installation to achieve optimal performance and maintain correct air-fuel ratios.
No instructions available for this product.
Need Help Finding the Right Part?
We’ll Track It Down for You
We know how frustrating it can be searching for the right part. If it’s not listed on our site, that doesn’t mean we can’t source it.
Fill out the quick form below and our team will track it down for you.