Audi RS4 B7 Exhaust Manifold 4.2 FSI V8 BNS 079253034F

The Audi RS4 B7 Exhaust Manifold 4.2 FSI V8 on the right side is an original exhaust system component from the Exhaust pipes and tips group, designed for the BNS engine unit. Engineered by the vehicle manufacturer, it ensures proper exhaust gas flow, stable engine performance, and the maintenance of factory power output and sound characteristics. This used OEM part is a sensible choice for repairs when you want to maintain a design consistent with Audi's original specifications.

Specifications and technical data

• SKU: 079253034F
• Mark: Audi
• Condition: Used
• OEM Part Number: 079253034F
• Substitutable numbers: 079253034F, 079 253 034 F
• Location on the vehicle: Right
• Category: Exhaust Pipes & Tips

Purpose and function in the exhaust system

The presented exhaust manifold is dedicated to the right side of the 4.2 FSI BNS V8 engine in the Audi RS4 B7 model. It is responsible for collecting exhaust gases from the cylinders on one side of the unit and directing them toward the remaining components of the exhaust system. Thanks to the factory geometry of the channels, proper exhaust pulsation is maintained, which promotes correct cylinder filling and stable engine operation across the entire rev range.

The original manifold design is adapted to the high thermal loads typical of the 4.2 FSI unit, which translates into predictable system behavior during dynamic driving and prolonged load. Factory fitment minimizes the risk of leaks and unwanted vibrations within the exhaust system.

Benefits of using an original Audi manifold

Using an original exhaust manifold in an Audi RS4 B7 brings a number of practical technical benefits:

• maintenance of factory torque and power characteristics,
• proper interaction with other exhaust system components and engine management,
• precise fitment with the cylinder head and accessories on the right side of the V8 unit,
• reduced risk of issues with lambda sensors and OBD diagnostics resulting from incorrect exhaust flow geometry.

Original origin means that the manifold was designed specifically for this engine, taking into account its thermal properties, vibrations, and the limited space in the RS4 B7 engine bay. This is particularly important for high-power vehicles where assembly tolerances are minimal.

Used condition and assembly aspects

The item is offered in used condition, which, in the case of OEM parts for specialized models like the RS4 B7, is often the most rational service solution. A used exhaust manifold allows for maintaining the original specification at lower costs compared to a new component, while avoiding the compromises typical of aftermarket replacements with uncertain geometry.

The placement on the right side of the engine requires precise fitting to the cylinder head, heat shields, and subsequent sections of the exhaust system. The factory design facilitates installation for the mechanic – mounting points, shape, and routing of the manifold are consistent with the original Audi design, which shortens labor time and reduces the risk of needing additional modifications.

Selection support and additional information

When selecting an exhaust manifold for an Audi RS4 B7, it is crucial to match it to the specific engine version and mounting side. In case of doubt, it is worth verifying compatibility with your specific vehicle to avoid problems during installation and subsequent operation. A used OEM part is particularly attractive in situations where the priority is to quickly restore vehicle functionality while maintaining factory technical solutions – you can find more about the impact of the availability of such parts on repair time in the article Availability of used OEM parts vs. repair time.

If you are planning a comprehensive repair or upgrade of the exhaust system area in your Audi and need other elements from the same group, such as pipe sections, connectors, or exhaust tips, check the available parts in the Audi exhaust pipes and tips category.