Hey everyone! If you're here, chances are you're diving into the world of your 2020 Subaru Crosstrek's exhaust system. Maybe you're looking to boost performance, give your Crosstrek a unique sound, or just need to sort out some exhaust issues. Whatever the reason, you've come to the right place. This guide is your go-to resource, packed with everything you need to know about the exhaust system of the 2020 Subaru Crosstrek. We'll cover exhaust upgrades, troubleshooting common problems, and even discuss some popular exhaust options. Ready to get started? Let's roll!

Understanding Your 2020 Subaru Crosstrek Exhaust System

Before we dive into upgrades and repairs, let's get a handle on the basics. Your 2020 Subaru Crosstrek's exhaust system plays a critical role in how your car performs, sounds, and even its fuel efficiency. It's essentially a carefully engineered pathway that channels exhaust gases away from the engine. This system is made up of several key components: the exhaust manifold (which connects to the engine), the catalytic converter (which reduces harmful emissions), the resonator (which helps control sound), and the muffler (which further quiets the exhaust). Finally, the exhaust pipe itself expels the gases. Each part works together, and when something goes wrong, it can affect your Crosstrek's overall operation. Think of it like a chain; if one link breaks, the whole thing suffers. The factory-installed exhaust system is built for a balance of performance, noise reduction, and environmental compliance. But, for those looking for more, aftermarket upgrades can take things to the next level. We'll get into those shortly, but first, let's talk about why you might even consider changing or upgrading this system. The main reasons are to improve sound and the driving experience and to increase power. The Crosstrek is a very capable vehicle, and many owners enjoy modifying it to suit their needs, such as off-roading. Also, a faulty exhaust system can have a severe impact on the car's performance. The exhaust system is an important part of the overall car, and it can affect the overall enjoyment of the car.

Functions of the Exhaust System

• Emissions Control: The catalytic converter is the star player here, reducing harmful pollutants like carbon monoxide and hydrocarbons. Without a properly functioning exhaust system, your car wouldn't meet emissions standards, and you'd be contributing to air pollution.
• Noise Reduction: Mufflers and resonators work together to quiet the engine's roar. The goal is to provide a pleasant driving experience while keeping noise levels within legal limits. Nobody wants to be that guy with the obnoxiously loud car.
• Performance: A well-designed exhaust system can help improve engine performance. It does this by efficiently removing exhaust gases, which in turn allows the engine to breathe better and generate more power. This is where upgrades can make a significant difference. Exhaust systems are important, and they help reduce harmful emissions and other dangerous elements from the car.

Exhaust Upgrades for Your 2020 Subaru Crosstrek: Options and Benefits

Alright, let's get to the fun stuff – upgrading your 2020 Subaru Crosstrek's exhaust. Whether you are looking for a throaty growl, improved performance, or just a more stylish look, there's an exhaust upgrade out there for you. We'll break down the most popular options, so you can decide what fits your needs and budget. Keep in mind that any aftermarket modification needs to be street legal.

Cat-Back Exhaust Systems

This is a super popular upgrade, guys! Cat-back exhaust systems replace the exhaust components from the catalytic converter back, which means the muffler, resonator, and exhaust pipes. The cool thing is that these systems often come as a kit, making installation a bit easier. Here are some benefits of installing this system:

• Enhanced Sound: One of the most noticeable changes is the sound. Cat-back systems typically deliver a deeper, more aggressive tone compared to the stock exhaust.
• Performance Gains: A well-designed cat-back system can improve exhaust flow, leading to a small but noticeable increase in horsepower and torque.
• Improved Aesthetics: Many cat-back systems come with stylish exhaust tips that give your Crosstrek a sportier look.

Axle-Back Exhaust Systems

If you're looking for a simpler upgrade, an axle-back exhaust system might be the way to go. These systems only replace the components from the rear axle back, which usually means the muffler and exhaust tips. They're typically less expensive and easier to install than cat-back systems. In addition, the benefits of axle-back exhaust systems are:

• Easy Installation: Axle-back systems are usually a breeze to install, often requiring only basic tools.
• Sound Improvement: You can achieve a noticeable change in exhaust sound without affecting other parts of your car.
• Cost-Effective: They're a budget-friendly way to upgrade your exhaust.

Headers and Downpipes

For those who want serious performance gains, upgrading the headers and downpipes is a must. These components are closer to the engine and play a significant role in exhaust flow. Headers are responsible for collecting the exhaust gas and sending them into the rest of the exhaust system. Downpipes connect the exhaust manifold to the rest of the system. Installation can be more complex and might require professional assistance. But the benefits are worth it, especially if you're serious about performance:

• Significant Performance Boost: Upgrading the headers and downpipes can drastically improve exhaust flow, leading to a substantial increase in horsepower and torque.
• Aggressive Sound: These upgrades often result in a more aggressive exhaust note.
• Requires More Work: Installation is more time-consuming and could require more work.

Materials Matter

The material the exhaust system is made from can impact the overall sound, durability, and cost. Here's a quick rundown of the most common materials:

• Stainless Steel: Known for its durability and resistance to corrosion, stainless steel is a popular choice for high-quality exhaust systems. It often has a bright, polished look and can withstand the elements well.
• Aluminumized Steel: This is a more budget-friendly option. While it's not as durable as stainless steel, it offers good corrosion resistance. It's often used in the less expensive exhaust systems.
• Titanium: This is the high-end material. Titanium exhaust systems are lightweight, incredibly strong, and offer a unique sound. However, they come with a hefty price tag.

Common 2020 Subaru Crosstrek Exhaust Problems and How to Troubleshoot Them

No one likes dealing with car problems, but hey, it happens. Knowing the common issues that can occur with your 2020 Subaru Crosstrek's exhaust and how to diagnose them can save you time, money, and a headache. Let's look at the most common issues and how to troubleshoot them. Before starting any repair, make sure your car is off, the engine is cool, and you're in a well-ventilated area.

Exhaust Leaks

Leaks can occur at various points in the exhaust system. The most common cause is usually corrosion or damage. Here’s how to diagnose a leak:

• Sound: Listen for a hissing or rattling sound, especially when the engine is running. The sound can change depending on where the leak is. Leaks near the front of the exhaust system will sound more like a hiss, while leaks in the rear might sound more like a rattle.
• Visual Inspection: Examine the exhaust system for signs of damage or rust. Look for cracks, holes, or loose connections. Pay close attention to the joints where components connect.
• Smoke Test: This is a more advanced diagnostic method. A mechanic will introduce smoke into the exhaust system and look for where the smoke escapes. This helps pinpoint the exact location of the leak.
• The Smell: You may notice exhaust smells if there is a leak. If you smell exhaust fumes, make sure to take the car to a mechanic immediately. These fumes can be dangerous to your health.

Catalytic Converter Issues

The catalytic converter is a vital component. It can fail over time due to age or contamination. Here's what to look for:

• Check Engine Light: A lit check engine light is often the first sign of a problem. A diagnostic scan can reveal error codes related to the catalytic converter.
• Reduced Performance: A clogged or failing catalytic converter can restrict exhaust flow, leading to decreased engine performance and sluggish acceleration.
• Rattling Noise: A rattling sound from under the car can indicate that the internal components of the catalytic converter have broken down.
• Smell: A rotten egg smell can mean the catalytic converter isn't working properly.

Muffler Problems

Your muffler is designed to quiet the exhaust. Here are some issues you might face:

• Excessive Noise: A loud or unusual exhaust sound could be a sign of a damaged or corroded muffler.
• Rust and Corrosion: Check for signs of rust or holes in the muffler. The environment the car is driven in can influence the longevity of the muffler.
• Poor Sound: If you notice a change in the tone of the exhaust sound, your muffler may be the issue.

Troubleshooting Tips

• Listen Carefully: Pay attention to any unusual sounds coming from your exhaust. This can help narrow down the problem.
• Regular Inspections: Visually inspect your exhaust system periodically for any signs of damage or corrosion.
• Professional Help: If you're not comfortable working on your exhaust system, always consult a qualified mechanic. Especially when it comes to emissions systems.

Replacing vs. Repairing Your 2020 Subaru Crosstrek Exhaust

So, your exhaust has an issue – now what? Deciding whether to repair or replace a component depends on the extent of the damage, the age of your vehicle, and your budget. Here's a breakdown to help you make the right choice.

When to Repair

• Minor Leaks: If the leak is small and easy to access, a simple weld or clamp might be enough to fix it. These repairs are usually inexpensive.
• Component Replacement: Replacing an individual component is the best and most cost-effective solution. If the damage is limited to one part, like a cracked pipe or a damaged flange, replacing it can often restore your exhaust system without breaking the bank.
• Cost-Effective: If the cost of the repair is significantly lower than replacing the entire exhaust system. If the repairs are not too costly, it is best to repair the exhaust system.

When to Replace

• Extensive Damage: If multiple components are damaged or corroded beyond repair, replacing the entire system or a significant portion of it may be necessary.
• Major Component Failure: If a critical component like the catalytic converter or muffler has failed, replacement is often the best option. These components are essential for emissions control and noise reduction, so it's critical to make sure that they are working properly.
• Age of the Vehicle: If your Crosstrek is older, the rest of the exhaust system may be nearing the end of its life, and it might make sense to replace everything at once. This avoids future issues.
• Performance Upgrades: If you're looking to upgrade for performance or sound, replacement is a good choice.

DIY vs. Professional Installation for Exhaust Upgrades and Repairs

When it comes to working on your 2020 Subaru Crosstrek exhaust, you've got two main routes: DIY (Do It Yourself) or professional installation. Both options have their pros and cons, so let's weigh them to help you decide what's best for you.

DIY Installation

Pros:

• Cost Savings: Doing it yourself can save you a significant amount of money on labor costs.
• Learning Experience: You'll gain valuable knowledge about your car and its systems.
• Sense of Accomplishment: There's a certain satisfaction that comes with completing a project on your own.

Cons:

• Requires Tools and Space: You'll need the right tools (sockets, wrenches, jack, jack stands) and a suitable workspace.
• Time-Consuming: Installation can be time-consuming, especially if you're not familiar with the process.
• Potential for Mistakes: Mistakes can happen, and you could end up damaging components or creating leaks if you're not careful.

Professional Installation

Pros:

• Expertise and Experience: Professionals have the knowledge, skills, and tools to install your exhaust system correctly.
• Warranty: Most shops offer warranties on their work, giving you peace of mind.
• Time-Saving: You can save time and avoid the hassle of doing the job yourself.

Cons:

• Higher Cost: You'll have to pay for labor costs, which can add up.
• Finding a Reputable Shop: It's important to find a trustworthy shop with experience working on Subaru vehicles.
• Less Personal Satisfaction: You won't get the same sense of accomplishment as doing it yourself.

Which Option is Right for You?

If you have experience working on cars, the right tools, and a suitable workspace, DIY installation can be a great option. However, if you're not comfortable with auto repairs or if you're dealing with complex issues, professional installation is a safer bet. Always prioritize safety and don't hesitate to seek help if you're unsure about anything. Consider the complexity of the upgrade or repair. Simple jobs (like replacing a muffler) are easier for DIY, while complex jobs (like installing headers) may be better left to the pros. It's important to weigh these pros and cons to see which option is best.

Maintaining Your 2020 Subaru Crosstrek Exhaust System

Okay, now that you know about upgrades and repairs, let's talk about keeping your exhaust system in tip-top shape. Regular maintenance can extend the life of your exhaust and prevent costly repairs down the road. It helps ensure it's functioning properly. Here’s how to do it.

Regular Inspections

• Visual Check: Periodically inspect your exhaust system for signs of damage, leaks, or corrosion. Look for cracks, holes, rust, or loose connections. This can be done every time you get an oil change.
• Listen for Unusual Noises: Pay attention to any hissing, rattling, or thumping sounds coming from your exhaust. These noises can indicate a problem.
• Check the Exhaust Tip: The tip can be a good indicator of your car's health. A black, sooty tip may indicate a rich fuel mixture. A clean exhaust tip can mean everything is working as it should.

Addressing Rust and Corrosion

• Anti-Corrosion Coatings: Consider applying an anti-corrosion coating to your exhaust system, especially if you live in an area where roads are salted during winter.
• Regular Cleaning: Clean your exhaust system regularly to remove dirt, debris, and road salt. Use a mild soap and water solution.

Driving Habits and Other Tips

• Avoid Short Trips: Frequent short trips can lead to condensation buildup in the exhaust system, which can accelerate corrosion. If you take a lot of short trips, try to take longer trips more often to burn off condensation.
• Proper Fuel: Use the correct type of fuel recommended for your vehicle. This helps to reduce the build-up of harmful deposits.
• Professional Servicing: Have your exhaust system inspected by a qualified mechanic during regular maintenance appointments.

Conclusion: Keeping Your 2020 Subaru Crosstrek Exhaust in Top Shape

There you have it, folks – your comprehensive guide to the 2020 Subaru Crosstrek's exhaust system! We've covered everything from understanding the system's components and functions to upgrading for performance and sound, troubleshooting common problems, and maintaining your exhaust for the long haul. Remember that your exhaust system plays a vital role in your car's performance, emissions, and sound. Whether you're considering an upgrade, troubleshooting an issue, or simply looking to keep your Crosstrek running smoothly, this guide should have you covered. Regular inspections, proactive maintenance, and prompt attention to any issues will keep your exhaust system in great shape for years to come. Now, go forth and enjoy the ride! Drive safe, and happy motoring!