Ford Fiesta Mk8 ST Milltek Sport Rear Exhaust System Muffler Back Box MSFD245

Visual condition of the part

The product shows signs of use visible in the photos.

Ford Fiesta Mk8 ST Milltek Sport Rear Exhaust System Muffler Back Box is an exhaust system component designed for installation at the rear of the vehicle, engineered specifically for petrol-powered cars. As a product in the Mufflers and Resonators category, it allows for the efficient replacement of a worn exhaust section, improving engine performance and sound characteristics. By maintaining factory geometry, it provides a practical solution for users seeking a technically compatible component.

Specifications and technical data

• SKU: MSFD245
• Mark: Unbranded
• Condition: Used
• OEM Part Number: MSFD245
• Substitutable numbers: MSFD245, MSFD246
• Location on the vehicle: Rear
• Fuel type: Petrol
• Part type: Silencer
• Rim width: 6
• Category: Mufflers & Resonators

Purpose and function in the exhaust system

The described rear muffler is responsible for the final stage of exhaust gas discharge and shaping the engine sound in the sports version of the Ford Fiesta. Its placement at the rear of the vehicle means this component has a direct impact on:

• damping noise generated by the exhaust system,
• stabilizing exhaust gas flow at higher RPMs,
• overall acoustic comfort inside the cabin.

Thanks to a design tailored to the sports variant of the model, the Ford Fiesta Mk8 ST Milltek Sport Rear Exhaust System Muffler Back Box allows for the right balance between dynamic sound and everyday functional utility.

Technical parameters and compatibility

The component has been prepared for use with a petrol-powered engine, which is crucial for the correct selection of parts in terms of temperature and exhaust characteristics. Its intended installation in the rear zone of the vehicle makes it easy to identify the correct section of the exhaust system when planning repairs or upgrades.

The product's technical data also includes information on rim width, which may be helpful when completing a car configuration for sports use. The use of a uniform standard of markings facilitates verification of compatibility with specific trim levels of the Ford Fiesta Mk8 ST.

Performance characteristics of the used component

The presented rear muffler is a used part, which in practice means a favorable compromise between purchase cost and functionality. For many users, this is a sensible solution for:

• post-accident repairs or repairs following exhaust system corrosion,
• restoring the efficiency of a daily-driven car,
• reducing service costs while maintaining proper operating parameters.

Choosing a used element from the Mufflers and Resonators group is particularly attractive when technical efficiency and fitment are the priority rather than factory-new parts.

Application in service practice

The Ford Fiesta Mk8 ST Milltek Sport Rear Exhaust System Muffler Back Box will prove effective both for standard replacement of a worn exhaust section and for modifications to the system towards a more sporty character. A correctly selected component allows you to:

• maintain proper backpressure in the exhaust system,
• preserve stable engine operation across the full RPM range,
• reduce the risk of leaks and unwanted vibrations.

As a result, the product is a valuable choice for users who expect predictable car behavior after repairing or upgrading the exhaust system.

Exhaust system expansion and additional resources

If you are planning a comprehensive repair or upgrade of the exhaust system area in your Ford and need other components from the same group, such as tailpipes, center exhaust sections, or additional damping elements, check out the available parts in the Unbranded Mufflers and Resonators category.

For more advanced service work, including the drivetrain, a guide on diagnostics and selecting clutch components and drivetrain-related parts may be helpful. You can find more practical tips in the article Clutch and dual-mass flywheel – diagnostics and selection of parts for the drivetrain, which facilitates planning broader work on your car.