Table of Contents
The FA20 engine, known for its performance and efficiency, has gained popularity among car enthusiasts. One of the most effective ways to enhance its performance is by upgrading the headers. In this article, we will explore the best headers for the FA20 engine, which can provide gains of up to 20 horsepower and 15 lb-ft of torque.
Understanding the FA20 Engine
The FA20 engine is a flat-four engine developed by Subaru. It features a unique design that contributes to its low center of gravity and balanced weight distribution. This engine is commonly found in models like the Subaru BRZ, Toyota 86, and Scion FR-S. Understanding its specifications helps in selecting the best performance upgrades.
Benefits of Upgrading Headers
Upgrading the headers on the FA20 engine can lead to significant improvements in performance. Here are some benefits:
- Increased Horsepower: Upgrading headers can provide gains of up to 20 HP.
- Improved Torque: Expect an increase of around 15 lb-ft of torque.
- Enhanced Exhaust Flow: Better exhaust flow leads to improved engine efficiency.
- Sound Improvement: Headers can provide a more aggressive exhaust note.
Top Headers for the FA20
When considering headers for the FA20 engine, several options stand out due to their performance capabilities and quality. Here are some of the best headers available:
- Unequal Length Headers: These headers provide a distinctive sound and can enhance low-end torque.
- Equal Length Headers: Ideal for maximizing horsepower and providing a balanced exhaust note.
- Catless Headers: These headers eliminate the catalytic converter for maximum flow but may not be street legal.
- High-Quality Materials: Look for headers made from stainless steel for durability and resistance to corrosion.
1. Tomei Expreme Unequal Length Headers
The Tomei Expreme headers are known for their high-quality construction and performance gains. These unequal length headers provide a unique sound and improve low-end torque, making them a popular choice among FA20 enthusiasts.
2. Invidia Q300 Equal Length Headers
The Invidia Q300 headers are designed for those who seek maximum horsepower. These equal length headers ensure optimal exhaust flow and provide a balanced sound, appealing to those who want performance without sacrificing noise levels.
3. J-Pipe Headers
J-Pipe headers are a great option for those looking to maximize performance. These headers are designed to work with the stock exhaust system, making them an easy upgrade for FA20 owners. They provide significant gains in horsepower and torque.
Installation Considerations
Installing headers on the FA20 engine can be a rewarding modification, but it requires careful consideration. Here are some points to keep in mind:
- Professional Installation: If you’re not experienced, consider hiring a professional to ensure proper installation.
- Check Local Regulations: Some headers may not be street legal in certain areas.
- Pair with Other Mods: For best results, consider pairing headers with other performance upgrades like an aftermarket exhaust system.
Conclusion
Upgrading the headers on your FA20 engine can lead to impressive gains in horsepower and torque. With various options available, it’s essential to choose the right headers that fit your performance goals and driving style. Whether you opt for unequal length or equal length headers, the improvement in performance and sound will enhance your driving experience.