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The Audi B9 S4 is a high-performance vehicle that many enthusiasts seek to enhance further. Achieving over 100 horsepower gains is possible with the right intake and exhaust upgrades. This guide will explore the best options available to maximize your B9 S4’s performance.
Understanding the Basics of Performance Upgrades
Before diving into specific products, it’s essential to understand how intake and exhaust upgrades can affect your vehicle’s performance. These modifications work together to improve airflow, enhance combustion efficiency, and ultimately increase horsepower.
Best Intake Upgrades for the B9 S4
Upgrading the intake system is one of the first steps to increasing horsepower. A high-performance intake allows for better airflow to the engine, which can lead to significant gains.
- Eventuri Carbon Intake System: This system features a carbon fiber construction that not only looks great but also provides excellent airflow and weight savings.
- AWE Tuning S-FLO Intake: Known for its high-flow design, this intake system enhances throttle response and engine sound.
- IE Carbon Fiber Intake: This lightweight option is designed for maximum airflow and features a large filter for improved filtration.
Best Exhaust Upgrades for the B9 S4
After upgrading the intake, the next step is to enhance the exhaust system. A performance exhaust allows for quicker expulsion of exhaust gases, which can significantly improve horsepower.
- AWE Tuning Exhaust System: This exhaust system is known for its aggressive sound and performance gains. It features a straight-through design for optimal flow.
- Milltek Sport Cat-Back Exhaust: This option provides a refined sound while increasing horsepower and torque, making it a popular choice among enthusiasts.
- Remus Exhaust System: Offering a unique sound and performance, this exhaust is designed for those looking to stand out while increasing power.
Combining Intake and Exhaust Upgrades
For maximum gains, it’s crucial to combine both intake and exhaust upgrades. This synergy allows for improved airflow in and out of the engine, leading to significant performance improvements.
Tuning Your B9 S4
After installing your intake and exhaust upgrades, tuning your vehicle is essential to realize the full potential of these modifications. A proper tune will adjust fuel maps and ignition timing, ensuring your engine runs smoothly and efficiently.
- APR Stage 2 Tune: This tune is designed to complement both intake and exhaust upgrades, providing substantial horsepower and torque increases.
- Unitronic Stage 2 Performance Software: Known for its reliability, this software enhances performance while maintaining engine safety.
- IE Stage 2 Tune: This option offers significant power gains and is tailored for vehicles with intake and exhaust modifications.
Additional Performance Enhancements
In addition to intake and exhaust upgrades, several other modifications can help achieve your horsepower goals.
- Upgraded Intercooler: A larger intercooler can help keep intake temperatures down, allowing for more efficient combustion.
- High-Performance Spark Plugs: Better spark plugs can improve ignition efficiency and overall engine performance.
- Throttle Body Upgrade: A larger throttle body can enhance airflow, contributing to better performance.
Conclusion
Achieving over 100 horsepower gains on your B9 S4 is attainable with the right combination of intake and exhaust upgrades. By carefully selecting high-quality components and tuning your vehicle, you can unlock your car’s full potential. Remember to consider additional enhancements for the best results.