The COBB 13-18 Ford Focus ST Sound Symposer Delete – Stealth Black is designed for the verified vehicle applications listed below. Match manufacturer part number 891100, complete year, make, model, application, engine and transmission configuration, required calibration, emissions eligibility, interfaces, and every product note before ordering.

Key Features

• CNC Machined T6061 Aluminum: Provides lightweight strength and precise fit for long-term durability.
• Direct Bolt-On Design: Mounts using factory locations for hassle-free installation on all Focus ST variants.
• Complete Hardware Kit: Includes bolts and seals to ensure airtight seal and simple assembly.
• Stealth Black Anodized Finish: Resists corrosion and heat while blending into blacked-out engine bays.
• Constructed from T6061 aluminum with durable black anodized coating for heat and wear resistance.
• Direct OEM replacement with no vehicle modifications needed.

Fitment

Specifications

What’s Included

One new COBB product in the exact configuration and quantity identified by manufacturer part number 891100. 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 2016-2018 Ford Focus RS Sound Suppression Chamber
• Cobb Subaru Post MAF Hose – Stealth Black
• Cobb 17-24 Ford F-150 & Raptor Intake Scoop Bracket

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

Frequently Asked Questions

Will this COBB product fit my 2013-2015 Ford Focus ST?
That application is listed, but confirm the exact part number, engine and transmission configuration, factory equipment, required calibration, emissions eligibility, and every manufacturer note 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.