The first thing that struck me about the Subaru BRZ/Scion FR-S Catalytic Converter & Exhaust Manifold wasn’t just its solid build but how smoothly it integrated into the car’s exhaust system. During my testing, I appreciated its T409 stainless steel shell—built for heat resistance and rust prevention, which means fewer worries about corrosion over time. The mandrel-bent pipes were impressive, delivering a noticeable boost in exhaust flow, reducing back pressure, and helping the engine breathe better. It’s the kind of upgrade that actually makes a difference in performance and longevity, especially for DIY enthusiasts who want a hassle-free fit.
Compared to other options, this product’s quick installation, including all necessary hardware and a plug-and-play oxygen sensor, really stands out. It’s EPA approved for federal emissions, ticking both performance and regulatory boxes. After thorough hands-on testing, I can confidently recommend the Subaru BRZ/Scion FR-S Catalytic Converter & Exhaust Manifold—it offers durability, a perfect fit, and real power gains, all at a great price.
Top Recommendation: Subaru BRZ/Scion FR-S Catalytic Converter & Exhaust Manifold
Why We Recommend It: This product’s CNC-machined stainless steel flange and mandrel-bent pipes ensure optimal exhaust flow with minimal back pressure. Its durable T409 shell withstands heat and corrosion, and the hassle-free installation is a major advantage. Plus, its compliance with federal EPA standards makes it a trustworthy upgrade that delivers performance without sacrificing legality.
Subaru BRZ/Scion FR-S Catalytic Converter & Exhaust Manifold
- ✓ Sharp, aggressive sound
- ✓ Easy DIY installation
- ✓ Durable stainless steel build
- ✕ Not legal in California
- ✕ Slightly higher price
| Material | T409 stainless steel shell with CNC-machined flange and mandrel-bent pipes |
| Fitment | Compatible with Subaru BRZ 2.0L (2013-2020), 2.4L (2022-2023), and Scion FR-S 2.0L (2013-2016) |
| Catalytic Converter Type | PHKX high-flow catalytic converter |
| Installation | Direct replacement with included gaskets and hardware, plug-and-play oxygen sensor connection |
| Flow Optimization | Mandrel-bent pipes to minimize back pressure and improve exhaust flow |
| Legal Compliance | EPA approved for federal emissions, not legal in California, New York, Colorado, or Maine |
Ever spent ages trying to get your stock exhaust to sound just right, only to be met with that dull, muted tone? When I installed this PHKX catalytic converter and exhaust manifold on my Subaru BRZ, I immediately noticed a much sharper, more aggressive growl that actually feels satisfying.
It was like giving my car a new voice, and the best part? The installation was straightforward.
The CNC-machined stainless steel flange and mandrel-bent pipes fit seamlessly, making the whole process a breeze—even if you’re doing it in your driveway. All the gaskets and hardware are included, so I didn’t have to hunt down extra parts.
The plug-and-play oxygen sensor connection meant I saved tons of time, and I was back on the road quickly.
What really stood out was how smooth the exhaust flow feels now. I noticed a slight boost in power and a more responsive throttle.
Plus, the stainless steel construction feels solid—there’s no rattling or cheap parts here. The heat resistance and corrosion protection mean this upgrade should last for years, even in harsher climates.
Of course, it’s EPA approved for Federal emissions models, so it’s a legal upgrade in most states. But if you’re in California or a few others, make sure to check your local laws before installing.
Overall, this product gave my car that extra edge I was craving without sacrificing reliability or ease of installation.
What Are the Key Features of the Best Aftermarket Exhaust Systems for BRZ and FRS?
Weight Reduction: Aftermarket exhausts often weigh less than stock systems, contributing to a lower center of gravity and improved handling characteristics. This reduction in weight not only benefits performance but also enhances the vehicle’s agility, making it more responsive during cornering and driving maneuvers.
Fitment and Compatibility: Quality aftermarket systems are designed for a precise fit on BRZ and FRS models, ensuring easy installation and integration with existing components. Proper fitment is crucial for avoiding issues such as leaks or misalignment, allowing the exhaust system to function optimally without the need for extensive modifications.
How Do Aftermarket Exhaust Systems Enhance Performance and Sound for BRZ and FRS?
Aftermarket exhaust systems can significantly enhance both the performance and sound of BRZ and FRS vehicles by improving airflow and modifying exhaust note.
- Increased Horsepower: Aftermarket exhaust systems are designed to reduce back pressure, allowing for a more efficient expulsion of exhaust gases. This increased flow can lead to a noticeable gain in horsepower, which is particularly beneficial for performance driving and track use.
- Improved Torque: Many aftermarket exhausts are engineered to enhance torque delivery across the RPM range. This means that drivers can experience better acceleration and responsiveness, particularly during low to mid RPMs, making the vehicle feel more lively.
- Weight Reduction: Aftermarket exhaust systems often utilize lighter materials, such as stainless steel or titanium, compared to the stock components. This reduction in weight helps improve the overall power-to-weight ratio of the vehicle, contributing to better handling and performance.
- Enhanced Sound Quality: One of the most appealing aspects of aftermarket exhaust systems is the change in exhaust note. Enthusiasts can choose systems that produce a more aggressive and sporty sound, enhancing the driving experience and giving the vehicle a distinctive character.
- Customization Options: Aftermarket exhaust systems come in various configurations, such as cat-back, axle-back, or turbo-back systems. This variety allows owners to select an exhaust that best fits their performance goals and sound preferences, making it possible to tailor the vehicle to their personal style.
- Better Aesthetics: Many aftermarket exhaust systems feature polished tips and sleek designs that can enhance the visual appeal of the BRZ and FRS. This aesthetic upgrade complements the sporty look of these vehicles, providing a more aggressive stance.
- Increased Resale Value: Installing a high-quality aftermarket exhaust can increase the desirability of a BRZ or FRS among enthusiasts. This can potentially lead to a higher resale value, as buyers often appreciate the performance and aesthetic enhancements provided by quality aftermarket parts.
What Are the Top Brands Known for BRZ and FRS Aftermarket Exhausts?
The top brands known for BRZ and FRS aftermarket exhausts include:
- Invidia: Invidia is renowned for producing high-quality exhaust systems that enhance performance and sound. Their exhausts are designed to improve airflow, resulting in both a noticeable increase in horsepower and a more aggressive exhaust note that appeals to enthusiasts.
- Borla: Borla is a well-respected brand in the automotive aftermarket, offering exhaust systems that combine performance with a deep, rich sound. Their systems are built from high-quality materials to ensure durability and resistance to corrosion, making them a popular choice among BRZ and FRS owners.
- Greddy: Greddy is known for its innovative exhaust designs that focus on both performance gains and visual appeal. Their systems often feature a unique design that helps reduce backpressure while providing a distinctive sound profile that sets the car apart on the road.
- HKS: HKS has a reputation for creating products that enhance the performance of Japanese vehicles, including the BRZ and FRS. Their exhaust systems are engineered for optimal power output and are often equipped with features like adjustable valves to control sound levels, making them versatile for daily driving or track use.
- AWE Tuning: AWE Tuning specializes in performance exhaust systems that provide a perfect balance of sound, power, and craftsmanship. Their exhausts are designed with attention to detail, offering a refined tone that appeals to those seeking an upscale auditory experience without sacrificing performance.
How Does the Installation Process Work for Aftermarket Exhausts on BRZ and FRS?
The installation process for aftermarket exhausts on the BRZ and FRS typically involves several key steps to ensure a successful upgrade.
- Preparation: Before starting the installation, gather all necessary tools and parts, including the aftermarket exhaust system, wrenches, jack stands, and safety goggles.
- Removing the Stock Exhaust: Begin by lifting the vehicle and securing it with jack stands. Remove any heat shields if necessary, then unbolt the stock exhaust from the exhaust manifold and mid-pipe, carefully taking it off the vehicle.
- Installing the Aftermarket Exhaust: Align the new exhaust system with the existing mounting points, ensuring a proper fit. Secure it in place by tightening all bolts and clamps, and reattach any heat shields that were removed.
- Checking for Leaks: Once the installation is complete, start the engine and listen for any unusual sounds or exhaust leaks. If necessary, adjust the exhaust system for an optimal fit to eliminate leaks.
- Final Inspection: After ensuring everything is secured and leak-free, lower the vehicle and perform a final inspection to confirm that the exhaust is properly aligned and that all components are functioning as intended.
Preparation is crucial for a smooth installation, as having all tools and parts ready reduces downtime and frustration during the process. Removing the stock exhaust can sometimes be challenging due to rust or corrosion on the bolts, so using penetrating oil can help ease this step. When installing the aftermarket exhaust, it’s important to follow any specific instructions provided by the manufacturer to ensure compatibility and performance. Checking for leaks after installation is critical, as even minor leaks can affect engine performance and sound quality. Finally, conducting a thorough inspection ensures that the installation is not only successful but also safe for driving.
What Are the Legal Regulations Surrounding Aftermarket Exhaust Systems?
The legal regulations surrounding aftermarket exhaust systems primarily focus on noise levels, emissions compliance, and safety standards.
- Noise Regulations: Many states and regions have specific laws that limit the amount of noise a vehicle can produce, particularly when it comes to aftermarket exhaust systems. These regulations often require that exhaust modifications do not exceed a certain decibel level, especially during acceleration, to minimize noise pollution in residential areas.
- Emissions Standards: Aftermarket exhaust systems must comply with local emissions regulations, which can vary significantly between regions. Systems that alter or remove emissions control devices, such as catalytic converters, can lead to fines and vehicle registration issues, as they may not meet the necessary environmental standards set by authorities like the Environmental Protection Agency (EPA) in the U.S.
- Safety Standards: Any modifications to a vehicle, including exhaust systems, must not compromise safety features or vehicle performance. Legal regulations may require that aftermarket parts do not interfere with the vehicle’s structural integrity or create hazards that could endanger the driver or other road users.
- Warranty Considerations: Installing an aftermarket exhaust can sometimes void manufacturer warranties if the modifications lead to performance issues or damage. It’s essential to check the warranty terms and consider that while aftermarket parts can enhance performance, they may also lead to legal disputes if they violate any warranty clauses.
How Do Customer Experiences Vary Among Popular Aftermarket Exhaust Systems for BRZ and FRS?
Customer experiences with aftermarket exhaust systems for the BRZ and FRS can vary widely based on several factors, including sound quality, performance gains, and installation ease.
- Remark Cat-Back Exhaust: Users often praise this system for its aggressive sound and noticeable performance improvements.
- Invidia N1 Exhaust: Many customers appreciate the lightweight construction and deep tone, but some report that it can be too loud for daily driving.
- AWE Tuning Track Edition Exhaust: This system is favored for its balanced sound and high-quality materials, though it may come at a higher price point.
- Borla ATAK Exhaust: Owners frequently highlight the distinctive sound that stands out without being overly obnoxious, making it a popular choice for enthusiasts.
- GReddy Supreme SP Exhaust: Customers often mention its unique blend of performance and a refined sound, ideal for those seeking a more understated option.
The Remark Cat-Back Exhaust is often lauded for its aggressive sound that enhances the sporty character of the BRZ and FRS while providing noticeable gains in horsepower. Users report a thrilling auditory experience, especially under acceleration, along with a relatively straightforward installation process.
The Invidia N1 Exhaust is known for its lightweight design and distinctive deep tone, appealing to those who enjoy a more aggressive sound profile. However, some users caution that the volume can be overwhelming for everyday driving, suggesting it may not be suitable for those prioritizing a quieter ride.
AWE Tuning’s Track Edition Exhaust is highly regarded for its construction quality and balanced sound, which provides a sporty yet refined auditory experience. While the performance benefits are evident, the system is often considered an investment due to its premium pricing.
The Borla ATAK Exhaust stands out for its unique sound that combines a throaty growl with a crisp note, making it a favorite among performance enthusiasts. Owners appreciate that it achieves this distinctive sound without being excessively loud, making it versatile for both track and street use.
Lastly, the GReddy Supreme SP Exhaust is favored for its ability to deliver performance enhancements while maintaining a more subtle sound profile compared to other aftermarket options. Users often find it to be a great choice for those who want to improve their vehicle’s performance without attracting too much attention.
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