Hey Subaru enthusiasts! Are you looking to boost the performance and sound of your 2011 Subaru Legacy? Upgrading your exhaust system is a fantastic way to achieve just that! In this comprehensive guide, we'll dive deep into everything you need to know about 2011 Subaru Legacy exhaust systems, from understanding the stock system to exploring aftermarket options, performance benefits, installation tips, and more. Let's get started!

Understanding Your 2011 Subaru Legacy's Stock Exhaust System

Before we jump into upgrades, let's take a moment to appreciate the factory exhaust system on your 2011 Subaru Legacy. This system is designed primarily for emissions control, noise reduction, and cost-effectiveness. It typically consists of the following components:

• Exhaust Manifold: Collects exhaust gases from the engine cylinders.
• Catalytic Converter: Reduces harmful emissions by converting pollutants into less harmful substances.
• Resonator: Helps to further reduce noise and smooth out exhaust flow.
• Muffler: The final noise reduction component, responsible for minimizing exhaust sound.
• Piping: Connects all the components together.

While the stock system does its job, it often restricts the engine's full potential. The piping diameter might be smaller than ideal, and the muffler can be quite restrictive, hindering exhaust flow. This is where aftermarket exhaust systems come into play.

Why Upgrade Your 2011 Subaru Legacy Exhaust System?

So, why should you even consider upgrading your exhaust system? Here are some compelling reasons:

• Improved Performance: Aftermarket exhaust systems are designed with larger diameter piping and less restrictive mufflers, allowing exhaust gases to flow more freely. This reduces backpressure on the engine, which can lead to increased horsepower and torque. You'll likely notice a more responsive throttle and improved acceleration. Imagine feeling that extra kick when you put your foot down – that's the power of an upgraded exhaust!
• Enhanced Sound: Let's be honest, the stock exhaust on the 2011 Legacy is pretty tame. An aftermarket exhaust can give your Subaru a much more aggressive and sporty sound. Whether you prefer a deep rumble or a more refined tone, there's an exhaust system out there to suit your taste. A new exhaust can dramatically change the driving experience, making every drive more exciting.
• Weight Reduction: Many aftermarket exhaust systems are made from lighter materials like stainless steel or titanium. This can reduce the overall weight of your vehicle, improving handling and fuel economy. Every little bit counts, and shedding weight is a great way to improve your car's performance across the board.
• Aesthetic Appeal: A shiny new exhaust tip can add a touch of style to the rear of your Subaru. Many aftermarket systems feature attractive designs and finishes that can enhance the overall look of your car. It's a small detail that can make a big difference.

Types of Aftermarket Exhaust Systems for Your 2011 Subaru Legacy

Now that you're convinced of the benefits, let's explore the different types of aftermarket exhaust systems available for your 2011 Subaru Legacy:

• Cat-Back Systems: These systems replace everything from the catalytic converter back to the exhaust tips. They are a popular choice because they offer a good balance of performance, sound, and affordability. Cat-back systems are generally easier to install than other types of exhaust upgrades. This is often a good starting point for those new to exhaust modifications.
• Axle-Back Systems: These systems only replace the muffler and exhaust tips. They are the most affordable option and primarily focus on improving the sound of your exhaust. Axle-back systems are a quick and easy way to add some sporty flair to your Legacy. If you're mainly after a better sound, this is a great option.
• Headers (Exhaust Manifolds): These replace the stock exhaust manifolds and are designed to improve exhaust flow directly from the engine. Headers can provide significant performance gains, but they are also more expensive and require more extensive installation. This is a more involved modification, typically chosen by those seeking maximum performance.
• Downpipes: These connect the turbocharger (if applicable) to the catalytic converter. Upgrading the downpipe can improve turbo spool-up and overall performance. However, be aware that replacing the downpipe may affect emissions compliance. This is often paired with other exhaust modifications for a comprehensive upgrade.

Choosing the Right Exhaust System: Factors to Consider

With so many options available, choosing the right exhaust system for your 2011 Subaru Legacy can feel overwhelming. Here are some key factors to consider:

• Budget: Exhaust systems range in price from a few hundred dollars to over a thousand. Determine your budget beforehand to narrow down your options. It's important to find a balance between cost and quality.
• Performance Goals: Are you looking for maximum horsepower gains, or are you primarily interested in improving the sound of your exhaust? Your performance goals will influence the type of system you choose. Be realistic about what you want to achieve.
• Sound Preference: Do you want a loud and aggressive exhaust note, or something more subtle and refined? Listen to sound clips of different exhaust systems before making a decision. YouTube is a great resource for hearing different exhaust setups.
• Installation Complexity: Are you comfortable installing the exhaust system yourself, or will you need to hire a professional? Consider the installation difficulty and factor in the cost of labor if necessary. Some systems are designed for easy bolt-on installation, while others require more advanced skills.
• Emissions Compliance: Make sure the exhaust system you choose is legal in your state or region. Some aftermarket systems may not meet emissions standards. Check your local regulations before making a purchase.

Top Exhaust System Brands for the 2011 Subaru Legacy

Several reputable brands offer high-quality exhaust systems for the 2011 Subaru Legacy. Here are a few of the most popular:

• Invidia: Known for their high-quality construction and aggressive sound.
• Nameless Performance: Offers a wide range of exhaust options with customizable sound levels.
• Borla: Renowned for their performance-oriented designs and premium materials.
• Magnaflow: Provides a balance of performance and sound with a focus on quality.
• Perrin Performance: Specializes in Subaru performance parts, including exhaust systems.

Do some research and read reviews to find the brand that best suits your needs and preferences.

Installation Tips: DIY or Professional?

Installing a new exhaust system can be a rewarding DIY project, but it's important to assess your skills and comfort level before tackling the job. Here are a few tips to consider:

• Gather the Right Tools: You'll need basic hand tools, including wrenches, sockets, a ratchet, and potentially a penetrating lubricant to loosen rusty bolts.
• Safety First: Always wear safety glasses and gloves when working under your car. Use jack stands to support the vehicle securely.
• Read the Instructions: Follow the manufacturer's instructions carefully. This will help you avoid mistakes and ensure a proper installation.
• Take Your Time: Don't rush the process. It's better to take your time and do it right than to make mistakes.
• Consider Professional Installation: If you're not comfortable installing the exhaust system yourself, don't hesitate to hire a professional mechanic. They have the experience and tools to get the job done quickly and efficiently.

Maintaining Your Upgraded Exhaust System

Once you've installed your new exhaust system, it's important to maintain it properly to ensure its longevity and performance. Here are a few tips:

• Regular Inspections: Inspect your exhaust system regularly for signs of rust, leaks, or damage.
• Clean Your Exhaust Tips: Keep your exhaust tips clean to maintain their appearance. Use a metal polish to remove any oxidation or buildup.
• Address Issues Promptly: If you notice any problems, such as a leak or strange noise, address them promptly to prevent further damage.

Conclusion: Elevate Your 2011 Subaru Legacy Experience

Upgrading your 2011 Subaru Legacy's exhaust system is a fantastic way to enhance its performance, sound, and overall driving experience. By understanding the different types of exhaust systems available, considering your budget and goals, and choosing a reputable brand, you can find the perfect exhaust system to suit your needs. Whether you're a seasoned enthusiast or new to the world of car modifications, a new exhaust system can transform your Legacy into a more exciting and enjoyable ride. So, go ahead and unleash the true potential of your Subaru!