Audi S4 B8 S5 8T 3.0 TFSI CREC Exhaust Manifold Cylinder 4-6 06E253033T

Audi S4 B8 S5 8T 3.0 TFSI CREC Cylinder Exhaust Manifold 4‑6 is an original part from the Exhaust Manifolds group, designed for the V6 TFSI engine in sporty Audi models. Designed as part of the factory exhaust system, it ensures proper exhaust gas discharge from cylinders 4‑6, stable engine operation, and correct conditions for the turbocharger and boost system.

Specifications and technical data

• SKU: 06E253031AB
• Mark: Audi
• Condition: Used
• OEM Part Number: 06E253031AB
• Substitutable numbers: 06E253031AB, 06E 253 031 AB, 06E253033T, 06E 253 033 T
• Part type: Exhaust Manifold
• Category: Manifolds & Headers

Purpose and Function in the Exhaust System

This exhaust manifold is dedicated to the 3.0 TFSI engine, designated by the code CREC, used in Audi S4 B8 and S5 8T models. It is responsible for collecting exhaust gases from cylinders 4‑6 and directing them evenly to the rest of the system, which is crucial for proper cylinder filling, stable idle operation, and maintaining factory power and torque parameters.

Thanks to its OEM design, the manifold retains the correct channel geometry, which reduces exhaust gas turbulence and helps maintain appropriate backpressure. This is important for both stock configurations and stage 1 modifications, where maintaining a sound mechanical foundation for the engine is key.

Construction, Fitment, and Installation

The Cylinder Exhaust Manifold 4‑6 has been specifically designed for the cylinder arrangement in the V6 TFSI engine, taking into account the limited space in the engine bay of the S4 B8 and S5 8T. Factory mounting points and flange shapes allow for precise fitting with the cylinder head and the rest of the exhaust system, without the need for modifications or adjustments.

The original design facilitates installation in service conditions – the mechanic has access to the mounting points provided by the manufacturer, which reduces working time and the risk of leaks. This is particularly important in turbocharged engines, where a leaky manifold can lead to performance loss, engine control unit errors, and incorrect lambda sensor readings.

Benefits of Using an Original Manifold

Using an original exhaust manifold in the Audi S4 B8 or S5 8T allows for the preservation of the factory operating characteristics of the 3.0 TFSI CREC engine. Compared to aftermarket replacements of uncertain origin, an OEM part ensures:

• correct fitment to the cylinder head and other exhaust system components,
• stable thermal conditions in the area of cylinders 4‑6,
• preservation of stock exhaust gas flow parameters,
• reduced risk of stress and cracks resulting from incorrect geometry.

As a used part, the manifold offers a reasonable compromise between repair cost and maintaining the vehicle's original technical specifications. It is a good solution for repairs after manifold cracks, mechanical damage, or when replacing exhaust system components after modifications.

Application in Service and Performance Modifications

In 3.0 TFSI CREC engines, the Cylinder Exhaust Manifold 4‑6 is a significant component for any serious intervention in the exhaust system – both for repairs and for building performance configurations. Replacing a damaged manifold with an original part helps avoid problems with leaks, overheating of adjacent components, and improper turbocharger operation.

If you are interested in a broader context of selecting used exhaust system components, including performance manifolds and catalytic converters for various brands, it is worth checking out the guide on our blog: performance exhaust systems and used performance manifolds and catalytic converters. There you will find practical tips on assessing part condition and selecting them for modifications.

System Expansion – Other Audi Exhaust Manifolds

If you are planning a comprehensive repair or upgrade of the engine area in your Audi and need other parts from the same group, such as additional manifolds, connection sections, or components that work with the turbocharger, check the available parts in the Audi Exhaust Manifolds category.