Hey Subaru Forester SJ enthusiasts! Upgrading your exhaust system can significantly enhance your driving experience. Whether you're aiming for improved performance, a sportier sound, or simply replacing a worn-out system, selecting the right exhaust is crucial. This guide dives into everything you need to know about choosing the best exhaust system for your Subaru Forester SJ.

Understanding the Basics of Exhaust Systems

Before diving into specific options, let's cover the fundamentals. The exhaust system plays a vital role in your vehicle's performance and emissions. Its primary functions include removing exhaust gases from the engine, reducing harmful emissions, and minimizing noise. A typical exhaust system consists of several components:

• Exhaust Manifold: Collects exhaust gases from the engine cylinders.
• Catalytic Converter: Reduces harmful pollutants in the exhaust gases.
• Resonator: Helps to reduce noise and refine the exhaust tone.
• Muffler: Further reduces noise levels.
• Tailpipe: The final section that releases exhaust gases into the atmosphere.

Upgrading any of these components can impact your vehicle's performance, sound, and emissions. For instance, a high-flow exhaust manifold can improve engine breathing, while a performance muffler can provide a more aggressive sound. It's essential to understand these components to make an informed decision.

Why Upgrade Your Subaru Forester SJ Exhaust System?

So, why should you consider upgrading your Subaru Forester SJ's exhaust system? There are several compelling reasons:

• Improved Performance: An upgraded exhaust system can reduce backpressure, allowing the engine to breathe more efficiently. This can result in increased horsepower and torque, providing better acceleration and overall performance. Aftermarket systems are often designed with wider diameter piping and smoother bends to optimize exhaust flow.
• Enhanced Sound: Many enthusiasts upgrade their exhaust system to achieve a sportier and more aggressive sound. Aftermarket mufflers and resonators can significantly alter the exhaust note, giving your Forester SJ a more distinctive and enjoyable sound. Options range from mild to aggressive, allowing you to customize the sound to your preference.
• Aesthetic Appeal: An aftermarket exhaust system can also enhance the visual appeal of your vehicle. Polished stainless steel tips and mandrel-bent piping can add a touch of style to your Forester SJ's rear end. Many systems are designed to be visually appealing and complement the vehicle's overall aesthetics.
• Weight Reduction: Some aftermarket exhaust systems are made from lighter materials such as stainless steel or titanium, which can reduce the overall weight of your vehicle. This can improve handling and fuel economy, providing additional benefits beyond performance and sound.

Types of Exhaust Systems for Subaru Forester SJ

When it comes to upgrading your exhaust system, you'll encounter several types of systems, each offering unique benefits:

• Cat-Back Systems: These systems replace everything from the catalytic converter back to the tailpipe. Cat-back systems are a popular choice for those looking to improve performance and sound without altering the catalytic converter. They typically include a new resonator, muffler, and tailpipe, and are designed to bolt directly onto the existing catalytic converter.
• Axle-Back Systems: Axle-back systems are a more budget-friendly option that replaces the components from the rear axle to the tailpipe. These systems primarily focus on improving the sound and appearance of your exhaust. They are relatively easy to install and can provide a noticeable improvement in exhaust tone.
• Full Exhaust Systems (Turbo-Back): Full exhaust systems, also known as turbo-back systems, replace the entire exhaust system from the turbocharger (if applicable) to the tailpipe. These systems offer the most significant performance gains but may require professional installation and tuning. They often include a high-flow catalytic converter or a catless downpipe for maximum performance.
• Custom Exhaust Systems: For those seeking a truly unique setup, a custom exhaust system may be the best option. Custom systems are fabricated to your specific requirements and can offer unparalleled performance and sound customization. However, they typically require extensive fabrication and tuning, making them a more expensive and time-consuming option.

Key Considerations When Choosing an Exhaust System

Choosing the right exhaust system for your Subaru Forester SJ involves several key considerations. Here’s what you need to keep in mind:

Sound Level and Tone

The sound level and tone are crucial factors to consider. Do you prefer a mild, subtle rumble or a loud, aggressive roar? Research different exhaust systems and listen to sound clips to get an idea of the sound characteristics. Keep in mind that sound preferences are subjective, so what sounds good to one person may not appeal to another. Consider your daily driving conditions and neighborhood when choosing an exhaust system to avoid excessive noise.

Material and Durability

The material and durability of the exhaust system are also important. Stainless steel is a popular choice due to its corrosion resistance and durability. Aluminized steel is a more affordable option but may not last as long as stainless steel. Titanium is the lightest and most expensive option, offering excellent corrosion resistance and weight reduction. Consider the climate in your area and the amount of exposure to road salt and other corrosive elements when choosing the material for your exhaust system.

Performance Gains

Consider the performance gains you're hoping to achieve. If you're primarily interested in improving horsepower and torque, look for a system with larger diameter piping and smoother bends. A high-flow catalytic converter can also improve exhaust flow and increase performance. Keep in mind that significant performance gains may require additional modifications, such as an ECU tune.

Installation

The installation process is another important consideration. Some exhaust systems are designed to be direct bolt-on replacements, making them relatively easy to install. Others may require cutting, welding, and other modifications. If you're not comfortable performing the installation yourself, consider hiring a professional to ensure proper fitment and performance. Factor in the cost of installation when budgeting for your exhaust system upgrade.

Budget

Finally, consider your budget. Exhaust systems can range in price from a few hundred dollars to several thousand dollars. Determine how much you're willing to spend and look for a system that offers the best value for your money. Keep in mind that the cheapest option may not always be the best in terms of quality and performance. Factor in the cost of installation and any additional modifications when calculating your budget.

Top Exhaust System Brands for Subaru Forester SJ

Several reputable brands offer high-quality exhaust systems for the Subaru Forester SJ. Here are a few of the top contenders:

• Invidia: Known for their high-quality stainless steel exhaust systems with excellent fitment and performance. Invidia offers a range of options for the Forester SJ, including cat-back and axle-back systems.
• Magnaflow: A popular choice for their durable and affordable exhaust systems. Magnaflow offers a variety of options for the Forester SJ, including cat-back systems with different sound levels.
• Nameless Performance: Specializes in custom exhaust systems with a focus on performance and sound. Nameless Performance offers a range of options for the Forester SJ, including axle-back systems with customizable muffler configurations.
• Borla: Renowned for their high-performance exhaust systems with a distinctive sound. Borla offers a variety of options for the Forester SJ, including cat-back systems with different sound levels and tip options.
• AWE Tuning: Known for their premium exhaust systems with exceptional build quality and performance. AWE Tuning offers a range of options for the Forester SJ, including cat-back systems with different exhaust tip designs.

Installation Tips and Considerations

Before you start the installation process, here are a few tips and considerations:

• Gather Your Tools: Make sure you have all the necessary tools, including wrenches, sockets, a jack, jack stands, and penetrating oil.
• Safety First: Always wear safety glasses and gloves when working on your vehicle.
• Penetrating Oil: Apply penetrating oil to any rusted bolts or fasteners to make them easier to remove.
• Proper Fitment: Ensure that all components fit properly before tightening any bolts.
• Torque Specifications: Use a torque wrench to tighten all bolts to the manufacturer's specifications.
• Professional Help: If you're not comfortable performing the installation yourself, consider hiring a professional.

Maintaining Your Upgraded Exhaust System

To ensure the longevity and performance of your upgraded exhaust system, follow these maintenance tips:

• Regular Inspections: Inspect your exhaust system regularly for any signs of damage or corrosion.
• Clean Exhaust Tips: Clean your exhaust tips regularly to maintain their appearance.
• Tighten Connections: Check and tighten all connections periodically to prevent leaks.
• Address Issues Promptly: Address any issues, such as leaks or damage, promptly to prevent further problems.

Conclusion

Upgrading your Subaru Forester SJ's exhaust system can significantly enhance your driving experience. By understanding the different types of systems, considering key factors, and choosing a reputable brand, you can find the perfect exhaust system to meet your needs and preferences. Whether you're looking for improved performance, a sportier sound, or enhanced aesthetics, an upgraded exhaust system is a worthwhile investment for your Subaru Forester SJ. So, go ahead and explore your options, and get ready to enjoy a more exciting and fulfilling driving experience!