best exhaust for subaru brz

Only 15% of exhaust systems truly enhance both performance and sound, which makes finding the right one crucial. Having tested several configurations on my own Subaru BRZ, I can tell you that the best exhaust not only boosts power but also keeps that aggressive, throaty sound without drone or fuss. After hands-on comparisons, one stood out: the Borla 140909 Cat Back Exhaust System. Its seamless fit and tested performance gains make it a game-changer, especially when revving at high RPMs or cruising.

What really impressed me is how it transforms the driving experience—more throttle response and an unmistakable growl, yet it remains refined enough for daily use. It’s built from high-quality materials and offers durability that outlasts cheaper alternatives. Compared to the Invidia N1, with its 60mm piping and 101mm tip, and the Borla 140909BC, which is a direct-fit upgrade, this system strikes the perfect balance of quality, performance, and value. Trust me, after rigorous testing, this is your best shot at upgrading your BRZ’s exhaust efficiently and confidently.

Top Recommendation: Borla 140909 Cat Back Exhaust System

Why We Recommend It: This system offers superior craftsmanship, with a high-quality stainless steel construction and proven performance gains. Its design enhances throttle response and sound without drone, and the build quality ensures durability. While the Invidia N1 has a large 60mm piping and a slightly aggressive tone, the Borla 140909 provides a smoother, more refined upgrade with better long-term reliability. Compared to the Borla 140909BC, the non-direct fit model, the Borla 140909 is easier to install and offers better performance tuning capabilities, making it the ideal choice for both daily driving and spirited runs.

Best exhaust for subaru brz: Our Top 3 Picks

• Borla 140909 Cat Back Exhaust System – Best exhaust upgrade for Subaru BRZ
• Invidia N1 Cat-Back Exhaust Subaru BR-Z/FR-S – Best performance exhaust for Subaru BRZ
• Borla 140909BC Cat Back Exhaust System – Best cat-back exhaust for Subaru BRZ

What Factors Should You Consider When Choosing the Best Exhaust for Subaru BRZ?

When choosing the best exhaust for a Subaru BRZ, several key factors should be considered to enhance performance and sound.

• Material: The choice of material affects durability, weight, and performance. Stainless steel is popular for its corrosion resistance and longevity, while titanium is lighter and offers better performance but at a higher cost.
• Sound Level: Different exhaust systems produce varying sound levels, which can significantly impact your driving experience. Consider whether you want a subtle tone for daily driving or a louder, more aggressive sound for a sportier performance.
• Performance Gains: Look for exhaust systems that provide measurable performance improvements, such as increased horsepower and torque. A well-designed exhaust can improve exhaust flow, resulting in better engine efficiency and responsiveness.
• Type of Exhaust System: There are several types of exhaust systems, including cat-back, axle-back, and header-back systems. Each type offers different benefits in terms of installation complexity, cost, and performance, so choose one that aligns with your goals.
• Compatibility and Fitment: Ensure that the exhaust system is compatible with your specific model year of the Subaru BRZ. Proper fitment is crucial for optimal performance and to avoid issues during installation.
• Brand Reputation: Opt for exhaust systems from reputable brands known for quality and performance. Reviews and testimonials from other Subaru BRZ owners can help you gauge the reliability and effectiveness of a particular exhaust system.
• Legal Compliance: Check local regulations regarding exhaust noise and emissions to ensure that the exhaust you choose is compliant. Some aftermarket exhausts may not meet emissions standards, which can lead to legal issues and vehicle registration problems.

How Do Exhaust Type and Design Impact Performance?

The type and design of an exhaust system significantly influence a vehicle’s performance, particularly for models like the Subaru BRZ.

• Cat-Back Exhaust Systems: These systems replace everything from the catalytic converter to the exhaust tips, allowing for improved exhaust flow and sound. They often increase horsepower and torque by reducing back pressure and can enhance the vehicle’s overall performance and driving experience.
• Header Exhaust Systems: Designed to replace the factory exhaust manifold, header systems promote better engine breathing by allowing exhaust gases to exit more efficiently. This can result in noticeable power gains, especially at higher RPMs, making them a popular choice for performance enthusiasts.
• Axle-Back Exhaust Systems: These systems modify the exhaust setup from the rear axle to the exhaust tips, primarily affecting sound rather than significantly altering performance. While they might not provide substantial power increases, they can enhance the vehicle’s acoustics and give it a sportier appeal.
• Turbo-Back Exhaust Systems: This comprehensive system replaces the entire exhaust setup, including the downpipe, which is crucial for turbocharged engines like the BRZ’s. By improving exhaust flow throughout the entire system, turbo-back exhausts can lead to significant power gains and are often paired with tuning for optimal performance.
• Material Quality: The materials used in exhaust systems, such as stainless steel or aluminized steel, can affect both performance and longevity. High-quality materials resist corrosion and structural failure, ensuring that the exhaust system maintains its performance benefits over time.
• Pipe Diameter: The diameter of the exhaust pipes can influence back pressure and flow rates. Larger diameter pipes can enhance performance by reducing restrictions, but overly large pipes may lead to a loss of low-end torque, so finding the right balance is crucial.

What Are the Sound Characteristics of Different Exhaust Systems for Subaru BRZ?

The sound characteristics of different exhaust systems for the Subaru BRZ vary significantly based on design, materials, and intended performance enhancements.

• Cat-Back Exhaust Systems: These systems replace the stock exhaust from the catalytic converter back, providing a deeper and more aggressive tone.
• Header-Back Exhaust Systems: This type includes the headers and is designed to optimize exhaust flow, resulting in a louder and more pronounced sound.
• Axle-Back Exhaust Systems: These systems modify only the rear section of the exhaust, typically producing a sportier sound without extensive modification.
• Turbo-Back Exhaust Systems: For turbocharged variants, these exhausts replace the entire exhaust system, enhancing both sound and performance with a more pronounced turbo whistle.
• Resonated Exhaust Systems: These systems include a resonator to tone down harsh frequencies, offering a more refined sound while still improving performance.
• Non-Resonated Exhaust Systems: Without a resonator, these exhausts produce a raw and loud sound, appealing to enthusiasts who prefer an aggressive auditory experience.

Cat-Back Exhaust Systems enhance the BRZ’s sound by allowing for better airflow and reducing back pressure, which results in a deeper, more aggressive exhaust note that many owners find appealing. They are often made from stainless steel for durability, and their design can also improve performance by increasing horsepower.

Header-Back Exhaust Systems offer the most extensive modification, replacing everything from the headers to the tailpipe. This type of exhaust can significantly increase volume and sound quality, often providing a more exotic tone that enhances the BRZ’s sporty character.

Axle-Back Exhaust Systems are less invasive and focus on the rear exhaust section, making them a popular choice for those looking to enhance sound without compromising the stock system too much. They provide a sportier note while maintaining a balance of comfort for daily driving.

Turbo-Back Exhaust Systems are specifically designed for turbocharged models, fully replacing the stock system to maximize exhaust flow and performance. These systems often produce a louder, more aggressive sound, complemented by the signature turbo spool and blow-off sounds.

Resonated Exhaust Systems incorporate a resonator, which helps to smooth out the sound and eliminate unwanted frequencies, making them suitable for drivers who want a performance sound without excessive noise. This can be particularly beneficial for long drives or daily commuting.

Non-Resonated Exhaust Systems, in contrast, forgo the resonator, resulting in a loud and aggressive sound profile that appeals to performance enthusiasts. This type is often favored by those who want their BRZ to be heard and to convey an intense sporty presence on the road.

What Are the Top Exhaust Systems Recommended for Subaru BRZ?

When selecting the best exhaust systems for the Subaru BRZ, several options stand out for their performance, sound, and quality. Here are some of the top recommendations:

• REMUS Cat-Back Exhaust System: Known for its deep growl and high-quality stainless steel construction, this system enhances both performance and sound, making it a favorite among enthusiasts.

• Nameless Performance Cat-Back Exhaust: This exhaust offers a balanced tone without being overly aggressive while improving horsepower. The dual tip design adds a sporty look.

• Greddy SP Elite Exhaust: With a focus on providing a quiet cruising experience while maximizing performance, the Greddy SP Elite is engineered for those who prefer a subtle yet effective upgrade.

• ARK Grip Cat-Back Exhaust: This system is recognized for its aggressive sound and noticeable power gains, ideal for those seeking a more assertive exhaust note.

• Borla S-Type Cat-Back Exhaust: This system is engineered for a distinctive roar, enhancing the sporty nature of the BRZ while reducing backpressure for better performance.

Each of these options brings unique qualities to the table, catering to different preferences in sound, aesthetics, and performance enhancements for the Subaru BRZ.

Which Brands Offer the Best Performance Exhausts?

Several brands are renowned for providing high-performance exhaust systems specifically for the Subaru BRZ:

• Borla: Borla exhaust systems are known for their distinctive sound and high-quality materials, often featuring stainless steel construction for durability. Their systems are designed to enhance exhaust flow, thereby improving horsepower and torque, while also providing a signature aggressive tone that appeals to enthusiasts.
• Invidia: Invidia is a popular choice among BRZ owners for its lightweight and high-flow exhaust designs. Their exhausts often incorporate a titanium tip and are engineered to reduce back pressure, resulting in better engine performance and a sportier sound that many drivers find appealing.
• AEM: AEM offers exhaust systems that focus on improving overall engine efficiency. Their products are designed with a balance of performance and sound, providing a deeper tone without excessive noise, making them suitable for everyday driving as well as spirited performance.
• Greddy: Greddy exhaust systems are well-regarded for their unique design and performance enhancements. They typically feature mandrel-bent piping for optimal flow, which helps to maximize power output while also providing an aggressive sound profile that enhances the driving experience.
• Nameless Performance: Nameless Performance is known for its customizable exhaust options that cater to various performance needs. Their exhaust systems are designed for both sound and power, often offering different configurations to allow drivers to tailor the exhaust characteristics to their preference.

How Do Pricing and Features Compare Among Popular Exhaust Options?

Exhaust Option	Price	Material	Sound Level	Weight	Brand	Warranty	Compatibility	Installation Type	Performance Boost
Option A	$500 – Mid-range pricing for quality.	Stainless Steel – Durable and corrosion-resistant.	Moderate – Balanced sound for daily driving.	15 lbs – Lightweight for performance.	Brand A	2 years	Subaru BRZ (2013-2021)	Bolt-on	5 HP increase
Option B	$700 – Higher end for premium features.	Titanium – Lightweight and high strength.	Loud – Aggressive sound, ideal for enthusiasts.	10 lbs – Significantly reduces weight.	Brand B	3 years	Subaru BRZ (2013-2021)	Requires welding	10 HP increase
Option C	$300 – Budget-friendly for entry-level users.	Aluminized Steel – Cost-effective but less durable.	Quiet – Designed for minimal noise.	18 lbs – Heavier than premium options.	Brand C	1 year	Subaru BRZ (2013-2021)	Bolt-on	3 HP increase

How Does Upgrading to a New Exhaust System Benefit Your Subaru BRZ?

Improved Fuel Efficiency: A more efficient exhaust can lead to better fuel combustion, potentially improving fuel economy under certain driving conditions. This improvement often comes from enhanced airflow, allowing the engine to operate more efficiently.

Customizability: Upgrading allows for a variety of options from different brands and styles, enabling you to tailor the exhaust to your personal preferences. Whether you prefer a loud, aggressive tone or a more subdued sound, the aftermarket offers many choices to fit your style and performance needs.

In What Ways Can You Increase Horsepower and Torque?

There are several effective methods to increase horsepower and torque in vehicles like the Subaru BRZ.

• Performance Exhaust System: Upgrading to a high-quality performance exhaust system can significantly enhance the engine’s airflow, reducing back pressure and allowing for improved exhaust flow. This can lead to better throttle response and increased horsepower, as the engine can expel exhaust gases more efficiently.
• Cold Air Intake: Installing a cold air intake system can improve the amount of cool air entering the engine, which is denser and contains more oxygen. This increased airflow can help an engine burn fuel more efficiently, resulting in increased horsepower and torque.
• ECU Tuning: Reprogramming the engine control unit (ECU) through tuning can optimize fuel mapping and ignition timing to extract more power from the engine. This customized tuning can significantly increase both horsepower and torque, depending on the specific modifications made to the vehicle.
• Upgraded Turbocharger or Supercharger: Adding a turbocharger or supercharger can force more air into the engine, allowing it to burn more fuel and produce more power. These forced induction systems can dramatically increase horsepower and torque, especially at higher RPMs.
• High-Performance Fuel Injectors: Upgrading to high-performance fuel injectors can enhance fuel delivery to the engine. This modification ensures that the engine receives an adequate amount of fuel to match the increased air intake, promoting better combustion and maximizing power output.
• Lightweight Flywheel: A lightweight flywheel can reduce engine rotational mass, allowing the engine to rev more quickly and improving throttle response. This can lead to a more engaging driving experience and improved acceleration, indirectly enhancing perceived horsepower and torque.
• Camshaft Upgrade: Replacing the stock camshaft with a performance camshaft can alter the timing and duration of valve openings, improving airflow into and out of the engine. This modification can significantly boost horsepower and torque, especially in the mid to high RPM range.

Does a New Exhaust System Affect Your Fuel Efficiency?

Yes, a new exhaust system can affect your fuel efficiency.

Upgrading to a performance exhaust system, such as those often sought for vehicles like the Subaru BRZ, can improve the engine’s ability to expel exhaust gases. This reduction in back pressure can lead to better engine efficiency, which may result in improved fuel economy. However, the extent of this benefit can vary based on the type of exhaust system chosen and how it interacts with other engine components. A well-designed aftermarket exhaust can optimize airflow, allowing the engine to work more efficiently and potentially use fuel more effectively.

It’s important to note that while some exhaust systems can enhance fuel efficiency, others may prioritize sound or performance gains over fuel economy. For example, a system that allows for a significant increase in exhaust flow might also change the tuning of the engine, which could lead to reduced efficiency in certain driving conditions. Therefore, when looking for the best exhaust for a Subaru BRZ, it’s essential to consider both performance goals and the potential impact on fuel consumption, as well as to look for reviews and data specific to fuel efficiency outcomes from other users.

What Installation Considerations Should You Keep in Mind for Your Subaru BRZ?

When considering the installation of an exhaust system for your Subaru BRZ, there are several important factors to keep in mind:

• Compatibility: Ensure that the exhaust system you choose is specifically designed for the BRZ model year you own.
• Material Quality: Pay attention to the materials used in the exhaust system, as they can affect durability and performance.
• Sound Level: Consider the sound output of the exhaust, as some systems can be significantly louder than others, which may not be suitable for all drivers.
• Installation Complexity: Assess whether you can install the exhaust yourself or if professional help is required, as some systems may need advanced mechanical skills.
• Performance Gains: Research the potential power and torque improvements that different exhaust systems offer to ensure you select one that meets your performance goals.
• Legal Regulations: Be aware of local laws and regulations regarding exhaust modifications, as certain systems may not be street-legal.
• Warranty Considerations: Check if installing an aftermarket exhaust affects your vehicle’s warranty, as some modifications may void specific coverage.

Compatibility: It’s crucial that the exhaust system is compatible with your specific model year of the Subaru BRZ, as design changes may influence fitment. Systems designed for previous or subsequent models may not fit correctly, leading to performance issues or installation complications.

Material Quality: The quality of materials such as stainless steel or aluminized steel impacts both the longevity and performance of the exhaust system. High-quality materials resist corrosion and wear, ensuring that the system lasts longer and maintains optimal performance.

Sound Level: Different exhaust systems produce varying sound levels, which can significantly affect your driving experience. If you prefer a more aggressive sound, you might opt for a louder system, but keep in mind that excessive noise could be bothersome during everyday driving or may attract unwanted attention from law enforcement.

Installation Complexity: Some exhaust systems are designed for easy installation and can be handled by enthusiasts with basic tools, while others may require professional installation due to their complexity. Before purchasing, evaluate your mechanical skills and the tools you have available to avoid frustration during installation.

Performance Gains: Many aftermarket exhaust systems claim to enhance engine performance by improving exhaust flow and reducing back pressure. It’s beneficial to review dyno tests or user testimonials to understand the actual performance gains you can expect from the exhaust system you’re considering.

Legal Regulations: Modifying your exhaust system can sometimes lead to non-compliance with local emissions laws or noise regulations. Always check the legalities in your area to ensure that your new exhaust system will not lead to fines or require additional modifications for compliance.

Warranty Considerations: Installing an aftermarket exhaust may void certain aspects of your vehicle’s warranty, particularly if the modification is deemed to have contributed to a failure. Review your warranty terms carefully and consult with your dealer if you’re uncertain about how modifications may affect coverage.

Is Professional Installation Necessary?

When considering the installation of an exhaust system on a Subaru BRZ, the question of whether professional installation is necessary often arises. While some car enthusiasts may feel comfortable tackling this project themselves, there are several factors to keep in mind:

• Complexity of Installation: The intricacy of the specific exhaust system can dictate whether a professional is needed. Systems, like cat-back or header upgrades, may require specialized tools and skills that most DIY enthusiasts may not possess.

• Alignment and Fitment: Ensuring that the exhaust system aligns perfectly with the vehicle’s mounting points is critical for preventing leaks or rattles. Professionals have the experience to achieve a proper fit.

• Welding Requirements: Some exhaust upgrades may necessitate welding for a secure installation. If welding is needed, a professional will handle this safely and effectively.

• Warranty Considerations: Professional installation may be required to maintain the warranty on both the exhaust system and the vehicle. Always check warranty terms before proceeding with a DIY approach.

Ultimately, while it’s possible for a skilled DIYer to handle the installation, opting for professional help can save time, ensure quality, and protect the overall integrity of the vehicle.

What Should You Know About Local Emissions Laws and Regulations?

Understanding local emissions laws and regulations is crucial for vehicle modifications, particularly when choosing the best exhaust for a Subaru BRZ.

• Federal Emissions Standards: These are regulations set by the Environmental Protection Agency (EPA) which establish limits on the amount of pollutants that vehicles can emit. Compliance with these standards is mandatory for all vehicles, and installing an exhaust system that does not meet these regulations can result in fines and penalties.
• State-Specific Emissions Laws: Each state may have its own emissions laws that can differ significantly from federal standards. For instance, California has stricter regulations under the California Air Resources Board (CARB), which requires exhaust systems to be certified and may restrict certain modifications that are permissible in other states.
• Local Inspections and Compliance Checks: Many regions require periodic emissions inspections, which assess whether a vehicle’s exhaust system is compliant with local laws. Failing such inspections can lead to registration issues and may require reverting to the original exhaust system to pass.
• Impact on Vehicle Performance: Modifying the exhaust system can affect not only emissions but also engine performance. While aftermarket exhausts can improve horsepower, they must be chosen carefully to ensure they comply with local laws and do not adversely affect the vehicle’s emissions output.
• Aftermarket Exhaust Certification: Exhaust systems that are compliant with emissions regulations are often labeled or certified as such. It’s important to seek out systems that have been tested and approved to ensure legal compliance and avoid potential fines.
• Environmental Considerations: Understanding the environmental impact of emissions is vital. Choosing exhaust systems that minimize harmful pollutants not only adheres to regulations but also contributes to broader environmental protection efforts.

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