The COBB 19-21 Subaru STI / STI Type RA Airbox does not have enough exact application evidence to assign safe vehicle YMM. Match manufacturer part number 716100, complete vehicle, engine and transmission configuration, factory equipment, required calibration, emissions eligibility, interfaces, and every product note before ordering.

Key Features

• Large 5.5″ Inlet: Allows massive air volume intake while maintaining laminar flow into the MAF sensor.
• Velocity Stack Design: Smooth bellmouth entry reduces turbulence and improves volumetric efficiency.
• Integrated Mounting Points: Secures OEM MAF housing, filter, and crankcase breather tube without modifications.
• Heat-Resistant Construction: High-temp polymer isolates engine bay heat for cooler, denser intake charge.
• Compatible with stock intake pipe, COBB SF Intake, and Accessport tuning.

Fitment

Specifications

What’s Included

One new COBB product in the exact configuration and quantity identified by manufacturer part number 716100. 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 02-07 Subaru WRX / 04-07 STi / 04-08 FXT SF Airbox Kit
• Cobb 08-14 Subaru WRX/STI / 05-09 LGT/OBXT / 09-13 FXT Airbox
• Cobb 15-18 Subaru WRX STI Airbox

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.