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The Audi B5 S4 is a beloved vehicle among enthusiasts, known for its powerful twin-turbocharged V6 engine. However, to maximize performance, especially under boost, upgrading the intercooler is essential. In this article, we will explore the best intercooler upgrades for the B5 S4, ensuring that your car maintains stable power and optimal performance.
Why Upgrade the Intercooler?
The factory intercooler on the B5 S4 can struggle to keep intake temperatures low, especially during spirited driving or track sessions. An upgraded intercooler can provide several benefits:
- Lower intake temperatures
- Increased horsepower and torque
- Improved throttle response
- Enhanced reliability under high boost conditions
Top Intercooler Upgrades for the B5 S4
When considering intercooler upgrades for the B5 S4, several options stand out based on performance, fitment, and value. Here are some of the top choices:
1. APR Front Mount Intercooler
The APR Front Mount Intercooler is a popular choice among B5 S4 owners. It features a large core that significantly reduces intake temperatures, allowing for more consistent power delivery. Its lightweight design and direct bolt-on installation make it an appealing option.
2. ECS Tuning Intercooler Upgrade Kit
ECS Tuning offers an intercooler upgrade kit that enhances the performance of the B5 S4. This kit includes a high-efficiency core and all necessary hardware for installation. The ECS intercooler is known for its durability and ability to handle high boost levels.
3. Wagner Tuning Intercooler
The Wagner Tuning Intercooler is designed with a focus on performance and efficiency. It features a high-flow core that provides excellent cooling properties. This intercooler is also lightweight and offers a straightforward installation process.
4. Unitronic Intercooler
Unitronic’s intercooler is another excellent option for the B5 S4. It is engineered to provide optimal cooling and features a robust construction. This intercooler is perfect for those looking to push their vehicle to the limit while maintaining reliability.
5. Forge Motorsport Intercooler
The Forge Motorsport Intercooler is a high-performance option that offers a significant increase in cooling efficiency. With its larger core and improved airflow, this intercooler is ideal for high-powered builds. Installation is straightforward, and it comes with all necessary hardware.
Installation Considerations
Installing an upgraded intercooler on your B5 S4 can be a rewarding experience. However, there are a few considerations to keep in mind:
- Ensure proper fitment: Check compatibility with your specific model year.
- Consider additional modifications: Some intercoolers may require additional modifications or upgrades to the piping.
- Professional installation: If you’re not comfortable with DIY installations, consider hiring a professional.
Performance Gains
Upgrading the intercooler can lead to significant performance gains. Drivers often report:
- Increased horsepower: Many users see gains of 20-30 horsepower or more.
- Improved torque delivery: A cooler intake charge leads to better torque across the power band.
- Enhanced reliability: Lower temperatures reduce the risk of detonation and engine knock.
Conclusion
Upgrading the intercooler on your B5 S4 is one of the most effective ways to enhance performance and maintain stability under boost. With several excellent options available, you can choose an intercooler that fits your needs and budget. Whether you opt for the APR, ECS Tuning, Wagner Tuning, Unitronic, or Forge Motorsport intercooler, you’re sure to experience improved performance and reliability.