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The Audi S4 B9 is a powerful vehicle known for its performance and luxury. One of the most effective ways to enhance its power output is by upgrading to a cold air intake system. This article will explore the best cold air intakes for the Audi S4 B9 that can increase power by 15-20 horsepower for under $500.
What is a Cold Air Intake?
A cold air intake (CAI) is an aftermarket component designed to replace the factory air intake system. It allows your engine to draw cooler, denser air, which can improve combustion efficiency and increase horsepower. By upgrading to a high-performance cold air intake, Audi S4 B9 owners can experience noticeable gains in power and throttle response.
Benefits of Installing a Cold Air Intake
- Increased Horsepower: Most cold air intakes can provide a power boost of 15-20 HP.
- Improved Throttle Response: Enhanced airflow leads to quicker engine response.
- Better Engine Sound: CAIs often give your engine a more aggressive sound.
- Better Fuel Efficiency: Improved air intake can lead to better fuel economy.
Top Cold Air Intakes for Audi S4 B9
1. AFE Power Magnum FORCE Stage-2
The AFE Power Magnum FORCE Stage-2 is a popular choice among Audi S4 B9 enthusiasts. This system features a large air filter that maximizes airflow while providing excellent filtration. Users report gains of up to 20 horsepower with this intake.
2. K&N 69-9504TS Typhoon
K&N is a well-known brand in the automotive aftermarket, and their 69-9504TS Typhoon intake is no exception. This system is designed to improve performance while maintaining the factory aesthetics. It offers a noticeable power increase and is easy to install.
3. ECS Tuning Cold Air Intake
The ECS Tuning Cold Air Intake is engineered specifically for the Audi S4 B9. It features a high-flow filter and a smooth intake path to reduce turbulence. Many users have reported significant improvements in performance and engine sound.
4. APR Carbon Fiber Intake System
For those looking for a premium option, the APR Carbon Fiber Intake System not only looks great but also enhances performance. The carbon fiber construction helps to reduce weight while providing excellent heat resistance, resulting in improved airflow and power gains.
5. AWE Tuning S-FLO Carbon Intake
The AWE Tuning S-FLO Carbon Intake is designed for maximum performance and efficiency. This system uses a high-flow filter and a carbon fiber design to ensure that your engine receives the best possible airflow. Users report gains of around 15-20 horsepower with this setup.
Installation Tips
Installing a cold air intake can be a straightforward process, but it’s essential to follow some best practices to ensure optimal performance:
- Read the Instructions: Always start by reading the manufacturer’s instructions carefully.
- Gather Tools: Make sure you have all the necessary tools before starting the installation.
- Check for Leaks: After installation, check for any air leaks that could affect performance.
- Reconnect Sensors: Ensure all sensors and connections are reattached properly.
Conclusion
Upgrading to a cold air intake is one of the best ways to enhance the performance of your Audi S4 B9 without breaking the bank. With options available for under $500 that can increase horsepower by 15-20 HP, there’s no reason not to consider this modification. Choose one of the recommended intakes, follow the installation tips, and enjoy the enhanced driving experience!