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The Subaru WRX is known for its impressive performance and tuning potential. One of the modifications that can significantly enhance its power output is the installation of a catch can. This article will explore the benefits of a catch can installation on a Subaru WRX and how it can lead to confirmed horsepower gains of up to 15.
What is a Catch Can?
A catch can is an essential component for any performance vehicle, including the Subaru WRX. It serves to collect oil vapors and other contaminants that would otherwise enter the intake system. By preventing these contaminants from re-entering the engine, a catch can helps maintain optimal performance and engine longevity.
Benefits of Installing a Catch Can
Installing a catch can on your Subaru WRX comes with several advantages:
- Improved Engine Performance: By reducing the amount of oil vapor entering the intake, the engine can run more efficiently.
- Increased Horsepower: Many users report horsepower gains after installation, with some confirming gains of up to 15 horsepower.
- Enhanced Engine Longevity: By preventing harmful contaminants from circulating through the engine, a catch can can extend its lifespan.
- Cleaner Intake System: A catch can helps keep the intake system cleaner, reducing the need for frequent maintenance.
How to Install a Catch Can on Your Subaru WRX
Installing a catch can is a straightforward process that can be done with basic tools. Here’s a step-by-step guide:
- Gather Your Tools: You will need a catch can kit, basic hand tools, and possibly some additional hoses.
- Locate the PCV System: Identify the positive crankcase ventilation (PCV) system in your WRX.
- Disconnect the PCV Hose: Carefully remove the PCV hose from the engine.
- Install the Catch Can: Connect the catch can to the PCV system using the provided hoses. Make sure it is securely mounted.
- Reconnect the Hoses: Attach the hoses back to the catch can and ensure all connections are tight.
- Check for Leaks: Start the engine and check for any leaks around the installed catch can.
Performance Gains and Testing
After the installation of a catch can, many Subaru WRX owners have reported noticeable improvements in performance. Testing has shown that, on average, users can achieve up to 15 additional horsepower. This increase can be attributed to:
- Better Air-Fuel Mixture: With fewer contaminants in the intake, the air-fuel mixture is optimized for better combustion.
- Reduced Knock: Cleaner intake air can lead to reduced engine knock, allowing for more aggressive tuning.
- Enhanced Throttle Response: A cleaner intake system can improve throttle response, making the vehicle feel more responsive.
Conclusion
Installing a catch can on your Subaru WRX is a smart modification that can lead to significant performance benefits. With confirmed horsepower gains of up to 15, this simple addition can enhance your driving experience while ensuring your engine remains in top condition. Whether you are a casual driver or a dedicated enthusiast, a catch can is a worthwhile investment for your Subaru WRX.