The COBB 15-21 Subaru WRX w/ Redline Edition Intake – Replacement Air Filter ONLY does not have enough exact application evidence to assign safe vehicle YMM. Match manufacturer part number 761100, complete vehicle, engine and transmission configuration, factory equipment, required calibration, emissions eligibility, interfaces, and every product note before ordering.

Key Features

• High-Flow Media: Proprietary oiled cotton gauze construction pulls in more air volume than stock filters for noticeable throttle response and power.
• Washable and Reusable: Clean every 15,000-30,000 miles with Cobb filter cleaner and oil for long-term cost savings and consistent performance.
• Direct Drop-In Fit: Precision-molded to match the Redline Edition Intake housing on VA-chassis WRX, ensuring seamless integration.
• Drop-in replacement: Remove old filter from intake housing, clean housing if needed, insert new filter, and secure lid.
• Multi-layer oiled cotton gauze with wire mesh support for high airflow and dust-holding capacity.
• Requires Cobb SF Redline Edition Intake System (part 815910 or similar) already installed on vehicle.

Fitment

Specifications

What’s Included

One new COBB product in the exact configuration and quantity identified by manufacturer part number 761100. Calibrations, hardware, hoses, clamps, gaskets, adapters, wiring, fluids, tools, and companion components are included only when expressly stated for this exact part number.

About COBB

COBB develops engine-management, intake, cooling, exhaust, drivetrain, suspension, and vehicle-accessory products for supported performance platforms. Correct selection remains exact-vehicle, exact-configuration, exact-interface, and exact-part-number specific.

Related COBB Products

• Cobb 15-20 Subaru STI Redline Intake Replacement Filter
• Cobb Subaru WRX/Ford Mustang Ecoboost Intake Replacement Filter
• Cobb 22-23 Subaru BRZ/Toyota GR86 High Flow Air Filter

Browse the COBB collection for related tuning, intake, cooling, exhaust, drivetrain, and chassis products.

Frequently Asked Questions

Why is fitment verification required for this COBB product?
Exact vehicle application evidence is not complete enough for safe YMM. Confirm the vehicle, drivetrain, factory equipment, calibration, emissions eligibility, interfaces, and exact part number before ordering.

Are all supporting parts included?
Only components expressly listed for the exact manufacturer part number are included. Tuning, hardware, hoses, clamps, gaskets, adapters, wiring, fluids, and companion components may be separate.

Is tuning or calibration required after installation?
Requirements depend on the exact product and vehicle. Intake, fuel, boost, turbo, and engine-management changes may require a compatible calibration before operation.

Installation Instructions

Follow the current COBB and factory service instructions for this exact part number. Verify fitment, factory equipment, emissions eligibility, required calibration, software and firmware, interfaces, hardware, fluid or electrical connections, and clearances before installation. Inspect the completed work and confirm safe operation before full-load use.