Description
Gain additional airflow potential from your Audi EA839 2.9T/3.0T V6 with the Untd. Performance Pro-Billet Intake Manifold. Designed for high-performance B9/B9.5 applications, this upgraded intake manifold is engineered to improve airflow distribution through the intake tract while providing increased flow capacity for higher-power builds.
The factory intake manifold is designed around OEM power levels, emissions requirements, packaging, and drivability. As boost and airflow demand increase with ECU tuning and upgraded turbochargers, the intake manifold can become an important part of the overall airflow system. The Untd. Performance Pro-Billet manifold provides a performance-focused alternative designed to support increased airflow demands while maintaining a direct-fit style configuration.
Key Features
- Pro-Billet Aluminum Construction:
Precision-machined billet construction provides a rigid, durable intake manifold designed for demanding high-performance applications. - Optimized Airflow Distribution:
Designed to improve airflow through the intake manifold and provide more consistent distribution to the individual cylinders. - Increased High-Flow Capability:
Provides additional airflow capacity for modified EA839 engines operating at higher boost and airflow levels. - Ideal for Tuned & Higher-Power Builds:
Particularly beneficial when paired with ECU tuning, upgraded turbochargers, upgraded intercooling, and other supporting modifications. - Improved High-RPM Airflow:
The increased flow capability can help reduce intake-side restriction as engine airflow demand increases, supporting stronger performance at higher RPM. - Rigid Performance Construction:
Billet construction provides a robust alternative to the factory manifold for applications where increased airflow and durability are priorities. - Direct-Fit Platform Design:
Developed specifically around the Audi EA839 2.9T/3.0T platform for B9/B9.5 applications. - Designed for Increased Boost:
Provides additional airflow headroom for builds operating beyond factory turbocharger and boost levels.
Estimated Performance Gain
An upgraded intake manifold does not automatically create a large horsepower increase on a stock engine. The benefit becomes more significant as airflow demand increases with ECU tuning and turbocharger upgrades.
On a lightly modified or stock-turbo vehicle, the primary advantage is additional airflow capacity. On higher-output EA839 builds, the manifold can help reduce intake restriction and support the airflow required to reach higher power levels.
| Configuration | Estimated HP Gain | Estimated Torque Gain | Estimated Output |
|---|---|---|---|
| Stock Tune / Stock Turbo | ~0–5 HP | ~0–5 lb-ft | Near factory output |
| Stage 1 / Stage 2 Tune | ~5–15 HP | ~5–15 lb-ft | Depends on calibration |
| Upgraded Turbo / High-Flow Build | ~15–30+ HP | ~15–30+ lb-ft | Dependent on turbo & tune |
Performance estimates are approximate. The manifold’s contribution depends heavily on the existing intake system, turbocharger, boost pressure, ECU calibration, intercooler efficiency, fuel system, and other supporting modifications.
The larger gains are expected on applications where the factory manifold becomes a meaningful airflow restriction rather than on a completely stock vehicle.
Why Upgrade?
As the EA839 platform is pushed beyond factory power levels, the amount of air required by the engine increases substantially. Higher boost and larger turbochargers can expose restrictions in the factory intake system.
The Untd. Performance Pro-Billet Intake Manifold is designed to provide additional airflow capacity and improve the intake tract’s ability to support increased engine airflow.
For a stock or mildly tuned vehicle, the manifold should be viewed primarily as supporting hardware rather than a standalone power modification. On a higher-output build, however, improving intake airflow can help the engine and turbocharger operate more efficiently and provide additional headroom for tuning.
Compatibility
Designed for Audi B9/B9.5 EA839 applications, including:
- Audi S4 B9 3.0T
- Audi S4 B9.5 3.0T
- Audi S5 B9 3.0T
- Audi S5 B9.5 3.0T
- Audi RS5 B9 2.9T
- Audi RS5 B9.5 2.9T
Compatibility may vary depending on engine configuration, model year, throttle-body setup, and other supporting components. Verify your exact vehicle and engine configuration before ordering.
Tuning & Supporting Modifications
The manifold can be installed as supporting hardware, but ECU tuning is recommended to fully utilize its additional airflow capability.
For higher-power builds, the manifold can be paired with:
- Upgraded turbocharger(s)
- High-flow intake
- Upgraded intercooler
- High-flow exhaust
- ECU calibration
- Upgraded fueling components where required
The exact supporting hardware required depends on the desired power level.
⚠️ Important Notice
- Horsepower and torque figures are estimated and not guaranteed.
- The intake manifold alone will generally produce modest gains on a stock vehicle.
- Larger gains are expected when used with upgraded turbochargers and appropriate ECU calibration.
- Professional installation is recommended.
- Verify fitment and supporting hardware before installation.
- ECU calibration should be performed by a qualified tuner familiar with the EA839 platform.
- Actual results vary depending on fuel, boost pressure, turbocharger, calibration, and overall vehicle configuration.
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