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The Subaru Legacy GT is known for its impressive performance and reliability, but enthusiasts often seek ways to enhance its capabilities further. One popular modification is installing a turbo back exhaust system, which can significantly boost horsepower and improve overall engine efficiency. In this article, we will explore the benefits of installing a turbo back exhaust on the Subaru Legacy GT, the steps involved in the installation process, and the estimated costs associated with this upgrade.
Benefits of a Turbo Back Exhaust
A turbo back exhaust system replaces the entire exhaust system from the turbocharger back to the tailpipe. This modification offers several benefits:
- Increased Horsepower: A turbo back exhaust can add approximately 15 horsepower to your Subaru Legacy GT.
- Improved Sound: The new exhaust system provides a deeper, more aggressive sound that enhances the driving experience.
- Better Performance: Reduced back pressure allows for improved turbo spool and overall engine performance.
- Weight Reduction: Many aftermarket exhaust systems are lighter than the factory components, contributing to better handling.
Choosing the Right Turbo Back Exhaust
When selecting a turbo back exhaust for your Subaru Legacy GT, consider the following factors:
- Material: Stainless steel is the most durable option, while mild steel is more affordable but may rust over time.
- Design: Look for a system that offers mandrel bends for optimal airflow.
- Brand Reputation: Choose a reputable brand known for quality and performance.
- Compatibility: Ensure the exhaust system is specifically designed for the Subaru Legacy GT.
Installation Process
Installing a turbo back exhaust system can be a rewarding DIY project. Here’s a step-by-step guide to help you through the installation:
Tools and Materials Needed
- Turbo back exhaust system
- Socket set
- Wrench set
- Jack and jack stands
- Rubber mallet
- Exhaust hanger removal tool
- Safety glasses
- Gloves
Step-by-Step Installation
Follow these steps to install your turbo back exhaust:
- 1. Prepare the Vehicle: Park your Subaru Legacy GT on a flat surface, engage the parking brake, and use a jack to lift the rear of the vehicle. Secure it with jack stands.
- 2. Remove the Old Exhaust: Start from the back and work your way forward. Use the socket and wrench to remove the bolts connecting the exhaust to the turbo. Carefully detach the exhaust hangers using the removal tool.
- 3. Install the New Turbo Back Exhaust: Begin by installing the new downpipe, connecting it to the turbo. Ensure all gaskets are in place to prevent leaks.
- 4. Attach the Mid-Pipe: Connect the mid-pipe to the downpipe, securing it with bolts. Adjust the position as needed for proper alignment.
- 5. Install the Rear Section: Finally, attach the rear section of the exhaust to the mid-pipe. Ensure it is securely fastened and aligned properly.
- 6. Recheck Connections: Go through all connections to ensure everything is tight and secure. Replace any damaged gaskets if necessary.
- 7. Lower the Vehicle: Carefully remove the jack stands and lower the vehicle back to the ground.
- 8. Test the Exhaust: Start the engine and listen for any unusual sounds. Check for exhaust leaks and ensure everything is functioning properly.
Cost of Installation
The cost of installing a turbo back exhaust system on your Subaru Legacy GT can vary based on the brand and materials used. Here’s a breakdown of potential costs:
- Exhaust System: Approximately $850 for a quality turbo back exhaust.
- Installation (if not DIY): Labor costs can range from $100 to $300, depending on the shop.
- Total Estimated Cost: Expect to spend around $950 to $1,150 if you opt for professional installation.
Conclusion
Installing a turbo back exhaust on your Subaru Legacy GT is a worthwhile investment for those looking to enhance performance and enjoy a more aggressive sound. With an estimated boost of 15 horsepower and a cost of around $850, this modification can significantly improve your driving experience. Whether you choose to tackle the installation yourself or seek professional help, the benefits of a turbo back exhaust are undeniable.