Choosing the best exhaust for your NA Miata improves sound, performance, and style. The right exhaust fits well and lasts long.
The NA Miata is a classic sports car loved by many. Upgrading its exhaust system can boost engine power and create a sporty sound. This guide covers top exhausts compatible with 1990-1997 Miata models, including 1. 6L and 1. 8L engines.
Options like the BORLA 14411 and BEZT stainless steel systems offer durability and a nice tone. MagnaFlow’s catalytic converter meets federal standards and fits well. Other choices, such as KAX and BRExhaust kits, balance price and quality. Whether you want louder sound or better flow, these exhausts suit various needs. Find the best fit for your Miata’s power and style here.
Borla 14411 Cat-back Performance Exhaust System

The BORLA 14411 Cat-Back Performance Exhaust System is ideal for Mazda Miata MX-5 NA owners from 1990 to 1997 with either the 1.6L or 1.8L 4-cylinder engine. Whether you drive a manual or automatic transmission, this exhaust system is perfect for enthusiasts seeking to enhance their car’s performance, sound, and exhaust flow. It is especially suited for those who want a reliable upgrade for their rear-wheel-drive, 2-door sports car that balances power gains with durability.
Pros:
- Enhances engine performance by improving exhaust flow
- Premium quality from BORLA Performance Industries ensuring durability
- Lightweight design at only 22 pounds for better handling
- Provides an aggressive and sporty exhaust note without drone
- Compatible with both 1.6L and 1.8L 4-cylinder engines and all transmission types
Cons:
- Installation may require professional assistance for some users
- Higher price point compared to generic exhaust systems
- Dimensions are unspecified, which might complicate fitment verification
The BORLA 14411 Cat-Back Performance Exhaust System features precision engineering to optimize exhaust gas flow, leading to noticeable improvements in horsepower and torque. Its stainless steel construction ensures long-lasting resistance to corrosion and wear, making it a smart investment for Mazda Miata MX-5 owners looking to enhance both performance and reliability. The system’s design also reduces backpressure, which helps the engine breathe more efficiently, translating to improved throttle response and fuel efficiency.
Beyond performance, this exhaust system enhances the auditory experience by delivering a deep, aggressive exhaust note that elevates the driving excitement without excessive noise or cabin drone. Its lightweight build at just 22 pounds contributes to maintaining the vehicle’s agile handling characteristics. Overall, the BORLA 14411 combines quality, performance, and style tailored specifically for the 1990-1997 Mazda Miata MX-5 NA model, making it an excellent upgrade for enthusiasts seeking a balance between everyday usability and spirited driving.
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Bezt Stainless Steel Cat Back Exhaust System

The BEZT Stainless Steel Cat Back Exhaust System with 3.5″ OD Tip Muffler is ideal for car enthusiasts and Mazda Miata MX-5 owners from 1990 to 1997 who seek to enhance their vehicle’s performance and sound. If you own a 1.6L or 1.8L Mazda Miata and want a durable, high-quality exhaust upgrade that improves exhaust flow and adds a sporty tone, this system is designed for you.
Pros:
- Constructed from durable stainless steel for long-lasting corrosion resistance
- Compatible specifically with 1990-1997 Mazda Miata MX-5 1.6L/1.8L models ensuring perfect fitment
- Features a 3.5″ OD tip muffler that enhances exhaust sound with a sporty tone
- Lightweight design at only 22.5 pounds improves vehicle performance
- Manufactured by SY under the trusted BEZT brand
Cons:
- Installation may require professional assistance for optimal fitment
- Limited compatibility only with specific Mazda Miata models from 1990-1997
- May increase exhaust noise which could be undesirable for some drivers
The BEZT Stainless Steel Cat Back Exhaust System is engineered to replace your factory exhaust with a system that not only fits your Mazda Miata MX-5 perfectly but also enhances your driving experience. Its high-quality stainless steel construction ensures resistance against rust and corrosion, which means you get a product that lasts for years without losing performance or aesthetic appeal. The 3.5″ OD tip muffler is designed to produce a deep, aggressive exhaust note that adds a sporty character to your car without being overly loud.
This exhaust system improves exhaust gas flow, which can contribute to better engine efficiency and potentially increased horsepower. The lightweight design reduces the overall weight of your vehicle, further improving handling and fuel efficiency. Ideal for those who enjoy spirited driving or want to upgrade their Miata’s sound and look, this BEZT system offers a balance of style, performance, and durability that caters specifically to Mazda enthusiasts.
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Kax Stainless Steel Cat Back Exhaust System

The KAX Stainless Steel Cat Back Exhaust System Replacement for 1994-1997 Miata 1.8L is ideal for car enthusiasts and Miata owners looking to upgrade their vehicle’s exhaust system for improved performance and sound. If you own a 1994-1997 Miata with a 1.8L engine and want a durable, efficient, and stylish exhaust upgrade, this product is designed for you. It suits those who appreciate quality craftsmanship and want to enhance both the aesthetic and functional aspects of their car.
Pros:
- Constructed from high-quality stainless steel for durability and corrosion resistance
- Designed specifically for 1994-1997 Miata 1.8L models ensuring perfect fitment
- Improves exhaust flow leading to better engine performance and efficiency
- Enhances the vehicle’s sound with a deep and sporty tone
- Dimensions (Height: 16.93 in, Width: 7.87 in, Length: 44.88 in) ensure compatibility and ease of installation
Cons:
- Exclusively compatible with 1994-1997 Miata 1.8L models, limiting use to specific vehicles
- Installation may require mechanical knowledge or professional assistance
The KAX Stainless Steel Cat Back Exhaust System is engineered to optimize the exhaust flow of the Miata 1.8L engine, resulting in noticeable improvements in horsepower and fuel efficiency. Its robust stainless steel construction not only provides longevity but also resists rust and wear, making it a long-term investment for your vehicle. The tailored dimensions ensure that the exhaust system fits seamlessly, maintaining the car’s original undercarriage aesthetics without modifications.
Beyond performance, this exhaust system delivers a distinct and aggressive exhaust note that enhances the driving experience without being overly loud. This balance is perfect for enthusiasts who desire a sportier sound while maintaining everyday drivability. Additionally, the ease of installation, combined with the precise manufacturing by KAX, means that users can expect a hassle-free upgrade that boosts both form and function of their beloved Miata.
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Magnaflow Catalytic Converter 23696

The MagnaFlow Catalytic Converter 23696 is ideal for car enthusiasts and Mazda Miata owners, specifically those with models from 1994 to 1997. If you are looking for a reliable, federal/EPA compliant catalytic converter that offers a direct-fit installation without extensive modifications, this product is perfect for you. It suits individuals who prioritize both performance and environmental standards in their vehicle upgrades.
Pros:
- Direct-fit design ensures easy installation on 1994-1997 Mazda Miata models.
- Manufactured by MagnaFlow, a trusted brand known for quality exhaust products.
- HM Grade construction provides durability and long-lasting performance.
- Fully Federal/EPA compliant, meeting strict emissions standards.
- Lightweight at 6.0 pounds, which helps maintain overall vehicle efficiency.
Cons:
- Limited compatibility restricted to 1994-1997 Mazda Miata models only.
- Dimensions are unspecified, which might require verification for fitment in some cases.
- No color finish, which may affect aesthetic preferences for some users.
The MagnaFlow Catalytic Converter 23696 is engineered to deliver optimal exhaust flow while reducing harmful emissions, making it an excellent upgrade for maintaining your Mazda Miata’s performance and environmental compliance. Its direct-fit nature eliminates the hassle of custom fabrication, saving time and installation costs for the user. The HM Grade materials used ensure the converter withstands high temperatures and corrosion, extending its lifespan under demanding driving conditions.
Beyond compliance, this catalytic converter enhances your vehicle’s efficiency by minimizing backpressure, which can improve engine responsiveness and fuel economy. Being from a reputable manufacturer like MagnaFlow Exhaust Products guarantees quality assurance and support, which is vital for those looking to maintain their Mazda Miata in peak condition. Overall, this product represents a balance of performance, durability, and environmental responsibility tailored specifically for select Mazda Miata owners.
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Brexhaust Replacement Exhaust System Kit

The BRExhaust Replacement Exhaust System Kit 106-0246 is ideal for owners of 1990-1995 Mazda Miata 1.6L/1.8L models who are looking to restore or upgrade their vehicle’s exhaust system. Whether you are a car enthusiast seeking improved performance or a driver needing a reliable replacement part, this exhaust system kit offers a perfect balance of quality and compatibility.
Pros:
- Designed specifically for 1990-1995 Mazda Miata 1.6L/1.8L ensuring perfect fit and easy installation
- Manufactured by BRExhaust, a trusted brand known for durable and high-performance exhaust systems
- Lightweight at 29.0 pounds which helps maintain vehicle efficiency and handling
- Dimensions (22.0″ H x 12.75″ W x 46.0″ L) optimized for space and performance
- Enhances exhaust flow improving engine performance and sound quality
Cons:
- Limited compatibility only with specific Mazda Miata years and engine sizes
- Installation may require professional assistance for beginners
- May not include additional hardware or accessories beyond the exhaust system kit
The BRExhaust Replacement Exhaust System Kit offers an excellent combination of durability and performance tailored for the Mazda Miata’s unique engine specifications. Its precise dimensions and lightweight design contribute to improved exhaust flow, which can help enhance the vehicle’s overall power output and fuel efficiency. This system also produces a more refined exhaust note, adding to the driving experience without being overly loud.
Built by BRExhaust, this kit ensures high-quality construction materials that resist corrosion and wear, providing long-lasting service life. The product’s compatibility with both 1.6L and 1.8L engines from the early 90s Mazda Miata models makes it a versatile option for enthusiasts and everyday drivers alike. Whether you need to replace a worn-out exhaust or simply want to upgrade your car’s performance, this exhaust system kit is a reliable choice.
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Bettercloud Stainless Catback Back Exhaust Muffler

The BETTERCLOUD Stainless Catback Back Exhaust Muffler is ideal for car enthusiasts and Mazda Miata MX-5 owners from the 1989-1997 models with 1.6L or 1.8L engines who want to enhance their vehicle’s performance and sound. If you are looking to upgrade your exhaust system for better durability, improved exhaust flow, and a sportier tone, this muffler is designed to meet your needs.
Pros:
- Constructed from high-quality stainless steel for enhanced durability and corrosion resistance
- Perfect fit for 1989-1997 Mazda Miata MX-5 Eunos 1.6L and 1.8L engines ensuring easy installation
- Dimensions (Height: 15.35 in, Width: 10.63 in, Length: 41.73 in) optimized for efficient exhaust flow
- Improves exhaust sound with a sporty and aggressive tone
- Enhances vehicle performance by reducing back pressure
Cons:
- May require professional installation for beginners
- Specific fit only for certain Mazda Miata MX-5 models, limiting compatibility
The BETTERCLOUD Stainless Catback Back Exhaust Muffler is engineered with precision to fit the Mazda Miata MX-5 Eunos models from 1989 to 1997, specifically those equipped with 1.6L and 1.8L engines. Its robust stainless steel construction not only guarantees long-lasting performance but also resists rust and corrosion, making it a reliable upgrade for daily driving or spirited weekend runs. The dimensions are carefully designed to optimize exhaust flow, which can lead to improved engine efficiency and a noticeable boost in horsepower.
Beyond performance, this exhaust muffler enhances the auditory experience of your Mazda Miata. It delivers a deeper, more aggressive exhaust note that many car enthusiasts seek, without being excessively loud or intrusive. This balance of sound quality and performance improvement makes it a practical and exciting upgrade. Additionally, the direct fitment for the specified Miata models simplifies installation, reducing the need for modifications or additional parts.
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Frequently Asked Questions
What Are The Best Exhausts For Na Miata?
The BORLA 14411 and BEZT Stainless Steel are top choices for NA Miata. They enhance performance and sound. Both offer durability and easy installation. These options cater to 1990-1997 models, providing a tailored fit.
How Does A Cat-back Exhaust Improve Performance?
A cat-back exhaust improves airflow, reducing back pressure. This enhances engine efficiency and power. It also provides a more aggressive exhaust note. Upgrading to a cat-back system can enhance driving experience significantly.
Are Stainless Steel Exhausts Durable?
Yes, stainless steel exhausts are highly durable. They resist rust and corrosion, extending their lifespan. Brands like KAX and BETTERCLOUD offer reliable stainless steel options. These materials ensure lasting performance and aesthetics.
Is Magnaflow Catalytic Converter Epa Compliant?
Yes, the MagnaFlow Catalytic Converter 23696 is EPA compliant. It meets federal standards for emissions. This makes it a reliable choice for 1994-1997 Miata models. It ensures both legal compliance and performance.
How Easy Is Exhaust System Installation?
Exhaust systems like BRExhaust and BETTERCLOUD offer easy installation. They are designed for direct fit on Miata models. Typically, they require basic tools and mechanical knowledge. Installation can often be completed in a few hours.
Conclusion
Choosing the best NA Miata exhaust depends on your needs and budget. Each option offers unique benefits, from sound quality to durability. The BORLA system is great for strong performance and a deep tone. BEZT and KAX provide solid stainless steel builds that last long.
MagnaFlow stands out for its catalytic converter, keeping emissions low and legal. BRExhaust and BETTERCLOUD offer affordable choices without losing quality. Think about what matters most: sound, price, or build material. A good exhaust can improve your Miata’s look and feel.
Remember, a proper fit ensures easy installation and better performance. Take your time to compare these options carefully. Your Miata deserves the best exhaust that fits your driving style. Enjoy the ride with the right sound and power from your chosen exhaust system.