Cobb Subaru SF Intake System – Stealth Black

The COBB Subaru SF Intake System – Stealth Black does not have enough exact application evidence to assign safe vehicle YMM. Match manufacturer part number 724100-BK, complete vehicle, engine and transmission configuration, factory equipment, required calibration, emissions eligibility, interfaces, and every product note before ordering.

Key Features

• 3.5-4 inch tapered aluminum MAF housing: Smooth mandrel-bent tube eliminates restrictions, accurately meters air for ECU.
• Large 4-inch conical filter: Oversized design with velocity stack captures 50% more airflow than stock for unrestricted intake.
• Stealth black powdercoat finish: Corrosion-resistant coating blends underhood for clean, OEM+ appearance.
• Bolt-on design installs in under 1 hour with basic hand tools;no trimming or modifications needed.
• Precision CNC-machined and welded construction for exact fitment.
• Yes, direct fit for all 2015-2021 Subaru WRX STI models including sedan and hatchback variants.

Fitment

Specifications

What’s Included

One new COBB product in the exact configuration and quantity identified by manufacturer part number 724100-BK. 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 Subaru SF Intake System – Stealth Black
• Cobb 15-21 Subaru WRX SF Intake System – Black
• Cobb Subaru SF Intake System – COBB Blue

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.