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Process West Cold Air Intake w/ K&N Filter – Subaru WRX & STI (2001–2007)
The Process West Cold Air Intake is designed to unleash more performance from your EJ-powered Subaru while enhancing induction sound. This high-quality upgrade replaces the restrictive factory intake system, improving airflow and allowing your turbocharger to perform more efficiently.
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 appearance
- Direct bolt-on fitment with no cutting or drilling required
Performance Benefits
- Increased horsepower and torque potential
- Improved throttle response and engine efficiency
- Enhanced induction sound for a sportier driving experience
Vehicle Compatibility
Subaru WRX (2001–2007) – EJ20/EJ255 Turbo
Subaru WRX STI (2001–2007) – EJ207/EJ257 Turbo
Note: ECU tuning is recommended after installation to maximise performance and ensure optimal air-fuel ratios.
No instructions available for this product.

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