The COBB 15-21 Subaru WRX FMIC Cold Pipe Kit does not have enough exact application evidence to assign safe vehicle YMM. Match manufacturer part number 741500-C, complete vehicle, engine and transmission configuration, factory equipment, required calibration, emissions eligibility, interfaces, and every product note before ordering.

Key Features

• Mandrel-Bent Aluminum Tubing: 2.5-inch diameter 6061-T6 construction eliminates bends and restrictions for maximum flow efficiency over stock.
• Cast Aluminum MAF Adapter: Precision-machined housing secures MAF sensor placement for accurate air measurement and tuning stability.
• High-Temperature Silicone Boots: 4-ply reinforced couplers handle boost heat and pressure without leaks or failure.
• Stainless Steel T-Bolt Clamps: Secure all connections with even tension to prevent boost loss under high RPM loads.
• Black Powder Coat Finish: Durable coating protects against road salt, heat, and wear for long-term performance.
• Bolt-on design requires basic hand tools 1-2 hours for experienced installers.

Fitment

Specifications

What’s Included

One new COBB product in the exact configuration and quantity identified by manufacturer part number 741500-C. 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 15-21 Subaru WRX/STI FMIC Cold Pipe Kit
• Cobb 15-21 Subaru WRX FMIC Hot Pipe Kit
• Cobb 2022+ Subaru WRX FMIC Hot/Cold Pipe Kit

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.