Audi S5 8T Quattro Exhaust Manifold Cyl. 5-8 Petrol 4.2 FSI V8 079253033AK

Audi S5 8T Quattro Exhaust Manifold Cyl. 5-8 Petrol 4.2 FSI V8 is an original exhaust system component designed for the V8 petrol engine, covering cylinder bank 5–8. Thanks to its factory geometry and precise fit for the 4.2 FSI unit, it ensures stable exhaust gas discharge and maintains the engine's factory performance parameters. This is a particularly attractive solution for users looking for a proven, OEM-compliant exhaust manifold for their Audi S5 8T Quattro.

Specifications and technical data

• SKU: 079253033AK
• Mark: Audi
• Condition: Used
• OEM Part Number: 079253033AK
• Substitutable numbers: 079253033AK, 079 253 033 AK
• Fuel type: Petrol
• Category: Manifolds & Headers

Purpose and technical specifications

The presented manifold belongs to the Exhaust manifolds category and is dedicated to the high-performance 4.2 FSI V8 engine in the Audi S5 8T Quattro, serving cylinders 5–8 of one of the engine banks. The design has been engineered for proper exhaust gas extraction from the cylinder head, maintaining correct channel cross-sections and port placement, which is essential for uniform cylinder filling and scavenging, as well as stable ignition system operation.

As an original Audi component, the manifold ensures proper positioning relative to the cylinder head, gaskets, and the rest of the exhaust system, which reduces the risk of leaks, installation stress, and unwanted vibrations. Using it to replace a worn or damaged component allows for the restoration of factory exhaust flow parameters, which is crucial for both performance and the operation of lambda sensors and the engine management system.

Benefits of using an original exhaust manifold

Choosing an original exhaust manifold for the Audi S5 8T Quattro offers a number of practical technical benefits:

• Factory fitment – maintaining the correct channel geometry, bolt spacing, and mating surfaces for the cylinder head and subsequent exhaust components.
• Stable engine performance – proper exhaust flow promotes uniform cylinder operation and correct interaction with the FSI petrol engine management system.
• Reduced risk of leaks – proper fitment with gaskets and other exhaust system components reduces the risk of exhaust leaks and unwanted noise.
• Hassle-free installation – no need for modifications or adjustments, which shortens service time and facilitates the mechanic's work.

This component is particularly important in V8 engines, where uniform exhaust discharge from individual banks affects engine refinement, sound, and throttle response.

Condition, application, and part selection

The offered exhaust manifold is a used part, which allows for an economical repair of the exhaust system while maintaining original Audi specifications. This solution is recommended in situations where the existing manifold has cracked, suffered thermal deformation, or corroded in the mounting area, and the priority is to return to the factory performance parameters of the 4.2 FSI V8 unit.

Before purchasing, it is worth verifying compatibility with your specific vehicle configuration, taking into account the engine version and the exhaust system used in your particular Audi S5 8T Quattro. The original manifold from this series has an assigned OEM part number and interchangeable numbers, which facilitates clear identification in service catalogs and parts selection systems.

Technical support and exhaust system development

If you are planning a comprehensive repair or upgrade of the engine area in your Audi and need other elements from the same group, such as additional manifolds, connecting sections, or mounting hardware, check out the available parts in the Audi Exhaust manifolds category.

For users interested in a broader approach to exhaust system modification and service, including the use of pre-owned manifolds in cars such as Audi, we have prepared a practical guide – more information can be found in the article Performance exhaust systems: used manifolds and sports catalytic converters on the road.

If you would like to learn more about the advantages of using pre-owned components in the context of economy and the environment, the material Eco-driving: discover the benefits of used car parts, which discusses the importance of recycling in the automotive industry and conscious parts selection, may also be helpful.