Porsche 911 997 Carrera S Exhaust Manifold 4-6 Cylinders 99711110202

Porsche 911 997 Carrera S Exhaust Manifold 4-6 Cylinders 99711110202 is an original exhaust system component designed for the Porsche sports engine, responsible for the precise discharge of exhaust gases from cylinders 4–6. Thanks to its factory geometry and perfect fit for the power unit, it ensures stable operating parameters, supports performance, and maintains the characteristic acoustics of the 911 997 Carrera S model. This is the ideal solution for users who want to keep their car in a configuration consistent with the manufacturer's factory specifications and avoid the compromises typical of aftermarket replacements.

Specifications and technical data

• SKU: 99711110202
• Mark: Porsche
• Condition: Used
• OEM Part Number: 99711110202
• Substitutable numbers: 99711110202, 997 111 102 02
• Part type: Exhaust Manifold
• Category: Manifolds & Headers

Technical characteristics of the exhaust manifold

The presented exhaust manifold supports the cylinder section 4–6 in the Porsche 911 997 generation engine in the Carrera S version. The design has been engineered to ensure uniform exhaust gas flow, reduce turbulence, and maintain proper backpressure, which is essential for throttle response and smooth power delivery. The original channel geometry promotes the maintenance of stock torque parameters across the entire rev range, without any undesirable changes in characteristics. This element belongs to the Exhaust manifolds group, which consists of components operating at high temperatures and under heavy mechanical loads. Proper selection of the manifold is crucial for system tightness, correct exhaust gas discharge, and reducing the risk of overheating adjacent components.

Purpose and application in the Porsche 911 997 Carrera S

Porsche 911 997 Carrera S Exhaust Manifold 4-6 Cylinders 99711110202 has been developed specifically for the boxer engine used in this model version. The appropriate shaping of the ports at the cylinder head and the mounting points for the rest of the exhaust system allows for installation in accordance with Porsche's factory service technology. This minimizes the risk of stress, leaks, and improper alignment of components in the engine bay. Choosing an original manifold is particularly important in higher-power vehicles, where the exhaust system operates under high thermal loads. Using the correct component helps maintain stable operating temperatures for the power unit and reduces the occurrence of unwanted acoustic resonances.

Benefits of using an original used manifold

Choosing an original Porsche exhaust manifold from the secondary market is a solution that allows you to balance cost control with the preservation of factory specifications. A used OEM element usually works better with the stock exhaust system than replacements with simplified geometry, which translates into:

• proper fitment to the cylinder head and subsequent exhaust sections,
• maintenance of stock exhaust flow characteristics,
• reduced risk of leaks at connections,
• preservation of the engine sound typical for the Porsche 911 997 Carrera S. A used exhaust manifold is also a good base for further diagnostics and potential refurbishment if the user plans long-term vehicle operation or is preparing the car for track use while maintaining the factory exhaust system architecture.

Fault diagnostics and selecting the right component

Typical symptoms of wear or damage to the exhaust manifold include metallic tapping sounds near the engine, a noticeable smell of exhaust fumes in the engine bay, soot marks at the connections, or a noticeably louder exhaust system operation during cold starts. In such situations, it is worth verifying the condition of the manifold serving cylinders 4–6, as leaks in this section can affect lambda sensor readings and engine control unit operation. If you want to better understand when replacing exhaust system components makes sense and how to safely select used OEM components, our blog article will be helpful: Loud exhaust operation – when is it worth replacing the muffler and other exhaust system elements with original used parts?. There, you will find practical tips on assessing the condition of the muffler, manifold, and other exhaust sections.

System expansion in the Porsche exhaust manifolds group

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

Summary

Porsche 911 997 Carrera S Exhaust Manifold 4-6 Cylinders 99711110202 is a solution for drivers who want to maintain the factory characteristics of the engine and exhaust system while benefiting from the advantages of an original component from the secondary market. A properly selected manifold supports the correct operation of the power unit, helps maintain proper emission parameters, and allows you to enjoy the typical Porsche sound without unwanted noise or leaks.