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The Subaru WRX is known for its impressive performance and rally-inspired capabilities. One of the most effective upgrades for enhancing its power is the Cobb Turbo-Back Exhaust System. This article explores how this exhaust system can boost your WRX’s performance by up to 30 horsepower.
Understanding the Cobb Turbo-Back Exhaust System
The Cobb Turbo-Back Exhaust System is designed to replace the factory exhaust components, including the downpipe, mid-pipe, and axle-back sections. This comprehensive upgrade offers several advantages over the stock system.
- Improved exhaust flow
- Reduced back pressure
- Enhanced sound quality
- Increased horsepower and torque
Key Features of the Cobb Turbo-Back Exhaust System
Several features make the Cobb Turbo-Back Exhaust System a standout choice for Subaru WRX owners looking to maximize performance.
- High-Quality Materials: Made from durable stainless steel for longevity and resistance to corrosion.
- Mandrel-Bent Tubing: Ensures smooth exhaust flow and minimizes restrictions.
- Optimized Design: Tailored for the WRX to enhance performance without sacrificing drivability.
- Easy Installation: Designed for a straightforward bolt-on installation process.
Performance Gains: How It Works
The Cobb Turbo-Back Exhaust System can lead to a significant increase in horsepower due to several factors:
- Increased Diameter: The larger diameter of the exhaust pipes allows for more exhaust gases to exit the system quickly.
- Reduced Weight: The lighter materials reduce the overall weight of the vehicle, contributing to better acceleration.
- Better Tuning: The system is designed to work in harmony with the vehicle’s turbocharger, optimizing boost pressure and engine efficiency.
Installation Process
Installing the Cobb Turbo-Back Exhaust System can be done at home with the right tools, or you can opt for professional installation. Here’s a brief overview of the installation process:
- Gather necessary tools: socket set, wrenches, and a jack.
- Lift the vehicle securely to access the undercarriage.
- Remove the stock exhaust components, starting from the rear and working towards the turbo.
- Install the Cobb exhaust components in reverse order, ensuring all connections are secure.
- Check for leaks and ensure proper alignment of the exhaust tips.
Sound Quality and Aesthetics
In addition to performance gains, the Cobb Turbo-Back Exhaust System also enhances the auditory experience of driving a WRX. The system produces a deep, aggressive exhaust note that many enthusiasts find appealing.
Visually, the polished stainless steel finish gives the rear of the vehicle a sporty look, complementing the aggressive styling of the WRX.
Tuning and Optimization
To fully realize the performance potential of the Cobb Turbo-Back Exhaust System, tuning is highly recommended. Cobb offers an Accessport, which allows drivers to reprogram their engine’s ECU to take advantage of the increased airflow.
- Improved throttle response
- Enhanced fuel mapping
- Maximized power output
Conclusion
Upgrading to the Cobb Turbo-Back Exhaust System is one of the most effective ways to boost your Subaru WRX’s performance. With potential gains of up to 30 horsepower, improved sound, and sleek aesthetics, this exhaust system is a worthwhile investment for any WRX enthusiast.