The COBB Ford Focus ST Exhaust Hanger Kit is designed for the verified vehicle applications listed below. Match manufacturer part number 591001, complete year, make, model, application, engine and transmission configuration, required calibration, emissions eligibility, interfaces, and every product note before ordering.

Key Features

• Billet Aluminum Hangers: Precision-machined from 6061-T6 aluminum for strength that withstands high-heat and high-torque conditions without flexing.
• Polyurethane Bushings: Firm 80A durometer bushings dampen road noise and vibration while allowing controlled movement for exhaust expansion.
• Direct Bolt-On Design: Matches OEM mounting points for plug-and-play installation, no cutting or welding required on Focus ST models.
• Complete Kit: Includes two hangers, four bushings, and all necessary hardware for full rear exhaust section replacement.
• Corrosion-Resistant Finish: Anodized black coating resists rust and wear from road salt, moisture, and exhaust gases.
• Uses stock mounting hardware torque to 20 ft-lbs for secure fit.

Fitment

Specifications

What’s Included

One new COBB product in the exact configuration and quantity identified by manufacturer part number 591001. 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 Mazdaspeed3 Gen1 Exhaust Hanger Kit
• Cobb Mazdaspeed3 Gen2 Exhaust Hanger Kit
• Cobb Mazdaspeed6 Exhaust Hanger Kit

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.