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The Subaru WRX is a beloved vehicle among car enthusiasts, particularly for its performance capabilities and tuning potential. One of the most significant upgrades that WRX owners consider is the installation of a turbo back exhaust system. In this article, we will compare three popular turbo back exhaust systems: Cobb, Fujitsubo, and Tomei. Each system has its unique features, benefits, and drawbacks, making it essential to understand how they perform in various aspects.
Overview of Turbo Back Exhaust Systems
A turbo back exhaust system replaces the entire exhaust system from the turbocharger back to the rear of the vehicle. This upgrade can enhance performance by reducing back pressure, improving exhaust flow, and increasing horsepower and torque. Additionally, a quality exhaust system can improve the sound of the vehicle, giving it a more aggressive tone.
Cobb Turbo Back Exhaust
The Cobb turbo back exhaust is well-known for its quality and performance. It is designed to optimize the WRX’s performance while maintaining a refined sound. Cobb’s system features mandrel-bent piping and high-flow catalytic converters, which help to improve exhaust flow and reduce back pressure.
Features
- 3-inch diameter piping for improved flow
- High-flow catalytic converter
- Stainless steel construction for durability
- Includes exhaust hangers and hardware for easy installation
Performance
Users have reported noticeable gains in horsepower and torque after installing the Cobb turbo back exhaust. The system is designed to work seamlessly with Cobb’s Accessport tuning device, allowing for optimized performance tuning.
Sound
The sound produced by the Cobb exhaust is aggressive yet refined, offering a deep tone without being excessively loud. This makes it suitable for daily driving while still providing an exhilarating experience when pushed to its limits.
Fujitsubo Turbo Back Exhaust
The Fujitsubo turbo back exhaust is another popular choice among WRX enthusiasts. Known for its high-quality craftsmanship, the Fujitsubo system emphasizes performance while providing a unique sound profile.
Features
- Stainless steel construction for longevity
- Optimized piping for maximum exhaust flow
- Includes a high-flow catalytic converter
- Designed for a perfect fit with minimal modifications
Performance
Fujitsubo exhaust systems are engineered to enhance the performance of the WRX significantly. Many users report improved throttle response and a noticeable increase in horsepower across the RPM range.
Sound
The sound of the Fujitsubo exhaust is characterized by a distinctive tone that sets it apart from other systems. It provides a sporty growl without being overly intrusive, making it a great option for those who want performance without excessive noise.
Tomei Turbo Back Exhaust
The Tomei turbo back exhaust is known for its high-performance capabilities and lightweight design. This system is particularly popular among those looking to maximize their WRX’s performance on the track.
Features
- Lightweight design for improved performance
- High-flow catalytic converter for better exhaust flow
- Stainless steel construction for durability
- Includes all necessary hardware for installation
Performance
The Tomei exhaust system is designed to deliver maximum performance, with many users experiencing significant power gains. Its lightweight construction helps improve overall vehicle dynamics, making it a favorite among track enthusiasts.
Sound
The Tomei exhaust produces a loud, aggressive sound that is sure to turn heads. While it may not be the most subtle option, many enthusiasts appreciate the raw performance sound that comes with this system.
Comparison of Performance
When comparing the performance of the Cobb, Fujitsubo, and Tomei turbo back exhausts, several factors should be considered, including horsepower gains, torque improvements, and overall driving experience.
Horsepower and Torque Gains
Each exhaust system offers unique advantages in terms of horsepower and torque gains:
- Cobb: Typically offers gains of 15-25 horsepower and 10-20 lb-ft of torque.
- Fujitsubo: Users report gains of 20-30 horsepower and 15-25 lb-ft of torque.
- Tomei: Known for the highest gains, often exceeding 25-35 horsepower and 20-30 lb-ft of torque.
Driving Experience
The driving experience can vary significantly based on the exhaust system chosen:
- Cobb: Provides a balanced driving experience with improved throttle response and a refined sound.
- Fujitsubo: Offers a sporty feel with excellent throttle response and a unique sound profile.
- Tomei: Delivers a raw, aggressive driving experience, perfect for those who prioritize performance.
Conclusion
Choosing the right turbo back exhaust for your WRX ultimately depends on your personal preferences and performance goals. The Cobb exhaust is ideal for those seeking a balanced upgrade with a refined sound, while the Fujitsubo offers a unique tone and solid performance. The Tomei exhaust is best for enthusiasts looking for maximum performance and an aggressive sound. Each of these exhaust systems has its strengths, making them worthy contenders for any WRX owner looking to enhance their vehicle’s performance.