Does your Miata sound a little… quiet? For many Mazda Miata NA owners, the rumble of the engine is just as important as the wind in their hair. But choosing a new exhaust can feel like a maze. You want that perfect sporty sound, but you don’t want to break the bank or end up with something that’s too loud for everyday driving. It’s tough to know which one will make your little roadster sing without making it a headache.
We get it! The world of Miata exhausts is packed with choices, and figuring out what’s best for *your* car can be confusing. You might be worried about drone, performance gains, or even how it will look. But don’t sweat it! In this post, we’re going to cut through the noise and give you the clear, simple answers you need.
By the time you finish reading, you’ll understand the key things to look for in a Miata NA exhaust. We’ll cover the different types, what to expect from them, and how to pick one that will make your Miata sound as good as it looks. Let’s dive in and find the perfect exhaust for your NA!
Our Top 5 Na Miata Exhaust Recommendations at a Glance
Top 5 Na Miata Exhaust Detailed Reviews
1. BETTERCLOUD Stainless Catback Back Exhaust Muffler Fit for 1989-1997 Mazda Miata MX-5 Eunos 1.6/1.8L
Rating: 9.3/10
The BETTERCLOUD Stainless Catback Back Exhaust Muffler is designed to fit your 1989-1997 Mazda Miata MX-5 Eunos with either the 1.6L or 1.8L engine. This exhaust system aims to give your Miata a fresh sound and improved performance. It’s made from stainless steel, which is known for being strong and resisting rust. Upgrading your exhaust can make your car sound sportier and help it breathe a little easier, potentially giving you a small boost in power.
What We Like:
- Made from durable stainless steel for long-lasting use.
- Designed to give your Miata a sportier exhaust note.
- Helps your engine run more efficiently.
- A direct fit for 1989-1997 Mazda Miata MX-5 Eunos models.
What Could Be Improved:
- Installation might require some mechanical skill or tools.
- Specific performance gains can vary depending on your car’s condition.
- Sound level might be too loud or too quiet for some drivers.
If you’re looking to enhance the sound and feel of your classic Miata, this catback exhaust system is worth considering. It offers a way to personalize your car’s performance and appearance.
2. Auto Dynasty 3.5 Inches Rolled Muffler Tip Catback Exhaust System Compatible with 1990-1997 Mazda Miata MX-5 1.6L 1.8L
Rating: 8.6/10
Want to give your 1990-1997 Mazda Miata MX-5 a serious boost in style and performance? The Auto Dynasty 3.5 Inches Rolled Muffler Tip Catback Exhaust System is designed to do just that. This system is built for your Miata, whether it has a 1.6L or 1.8L engine. It’s made from tough stainless steel, meaning it’s built to last and handle the road.
What We Like:
- It’s made from strong T-304 stainless steel, so it won’t rust easily and will last a long time.
- This exhaust can add an extra 15-25 horsepower, making your Miata feel much faster and more responsive.
- The installation is a direct bolt-on, meaning you don’t need to drill or make any tricky changes to your car.
- It comes with all the gaskets and hardware you need to get it installed quickly.
- The 3.5-inch rolled tip looks really sharp and gives your Miata a sportier look.
What Could Be Improved:
- While it promises a great sound, some users might prefer a more aggressive exhaust note than what this system provides.
- The weight of the system (21 LBS) is something to consider, though it’s not excessively heavy.
This cat-back exhaust system offers a great balance of improved performance and a stylish upgrade for your Miata. It’s a solid choice for drivers looking to enhance their driving experience.
3. Auto Dynasty 3.5 Inches Round Muffler Tip Catback Exhaust System Compatible with 1990-1997 Mazda Miata MX-5 1.6L 1.8L
Rating: 8.7/10
Give your 1990-1997 Mazda Miata MX-5 a serious upgrade with the Auto Dynasty 3.5 Inches Round Muffler Tip Catback Exhaust System. This stainless steel system is designed to boost your car’s performance and give it a thrilling sound. It’s built to last and easy to install, making it a fantastic choice for Miata enthusiasts.
What We Like:
- Easily fits 1990-1997 Mazda Miata MX-5 models with 1.6L or 1.8L engines.
- Adds 15-25 horsepower and improves low-end torque for a quicker feel.
- Made from strong T-304 stainless steel for long-lasting durability.
- Computer-controlled bends and TIG welding ensure it resists pressure and rust.
- Installs directly onto your car without needing to drill or make changes.
- Comes with all the gaskets and hardware you need to get started.
- Features a stylish 3.5-inch round muffler tip for a great look.
What Could Be Improved:
- The exhaust sound, while attractive, might be too loud for some drivers.
- While installation is simple, some users might prefer professional help for perfect alignment.
This Auto Dynasty exhaust system is a smart way to enhance your Miata’s power and style. It offers a great balance of performance and quality construction for any driver looking to improve their car.
4. KAX Stainless Steel Cat Back Exhaust System Replacement for 1994-1997 Miata 1.8L
Rating: 8.8/10
Upgrade your 1994-1997 Miata 1.8L with the KAX Stainless Steel Cat Back Exhaust System. This system is built to last and designed to improve your car’s performance. It’s made from high-quality stainless steel. This material resists rust and heat, so it won’t break down easily.
What We Like:
- Premium Stainless Steel: The KAX exhaust is made from strong stainless steel. It won’t rust easily, even in bad weather. This metal also handles heat really well.
- Easy Installation: You don’t need to cut or drill anything to install it. It comes with special hooks that fit your Miata perfectly.
- Enhanced Performance: A good exhaust system helps your car run better. It lets the engine breathe more easily. This can make your Miata feel more powerful. It also helps quiet down the engine noise and reduces pollution.
What Could Be Improved:
- Specific Model Fitment: While it fits the 1994-1997 Miata 1.8L, it’s important to double-check if your specific model has any unique features that might require slight adjustments, though the product states no cutting or drilling is needed.
- Noise Reduction Expectations: While it reduces noise, the exact sound level can vary based on individual preference and the condition of other engine components.
If you own a 1994-1997 Miata 1.8L, this KAX exhaust system is a solid choice. It offers durability and a performance boost. It’s a great way to give your Miata a new lease on life.
5. PHILTOP Cat-Back System
Rating: 8.9/10
Upgrade your 1994-1997 Miata 1.8L with the PHILTOP Cat-Back System. This stainless steel exhaust system is built to last and improve your car’s performance. It’s designed to give your Miata a better sound and more power.
What We Like:
- Made from strong, rust-proof T-304 stainless steel.
- Computer-controlled bending makes it extra tough.
- Welded flanges resist pressure and corrosion.
- Helps lower exhaust back pressure for better engine performance.
- Gives your car a deeper, more powerful exhaust sound.
- Installs easily with no drilling or cutting needed.
- Comes with all the gaskets and hardware you need.
What Could Be Improved:
- The product description mentions fitment for Honda Civics, which is different from the Miata title. This could be confusing for buyers.
- While it’s designed for durability, long-term real-world testing data is not provided.
This PHILTOP Cat-Back System offers a solid upgrade for your Miata. It promises better sound and performance with a straightforward installation.
The Ultimate Buying Guide: A Purrfect Choice for Your Miata
So, you’re thinking about upgrading your Mazda Miata’s exhaust. That’s a fantastic idea! A new exhaust can make your little sports car sound even better and maybe even give it a little more pep. But with so many options out there, how do you pick the right one? Don’t worry, we’re here to help you find the perfect exhaust for your Miata.
What to Look For: Key Features of a Great Miata Exhaust
When you’re shopping for a new exhaust, keep these important things in mind:
- Sound: This is a big one! Do you want a deep, throaty rumble, or a higher-pitched, sporty bark? Many exhaust systems offer sound clips online, so listen carefully.
- Material: What is the exhaust made of? This affects how long it lasts and how it sounds.
- Fitment: Will it bolt right onto your Miata without any tricky modifications? A good exhaust will fit your car’s specific model and year.
- Performance: Some exhausts are designed to help your engine breathe better, which can give you a small boost in power.
- Looks: Most aftermarket exhausts have a cool-looking tip that sticks out the back of your car.
Important Materials: What Your Exhaust is Made Of Matters
The material of your Miata exhaust is super important. It affects the sound, how long it lasts, and even how much it costs.
- Stainless Steel: This is the most common and best choice for most people.
- 304 Stainless Steel: This is the highest quality. It’s very strong and won’t rust easily, even in bad weather. It gives a nice, clean sound.
- 409 Stainless Steel: This is a good option too, but it’s not as strong as 304. It might rust a little over time, but it’s usually less expensive.
- Titanium: This is a super lightweight and strong material. It’s also very expensive. Titanium exhausts often have a unique, high-pitched sound.
- Mild Steel: This is the cheapest option, but it will rust quickly. It’s usually not the best choice for a car you want to keep for a long time.
Quality Matters: Factors That Make a Difference
Not all exhausts are created equal. Here’s what can make one exhaust better than another:
- Welding Quality: Look for clean, strong welds. Poor welding can lead to leaks and breakages.
- Pipe Diameter: The size of the pipes can affect the sound and performance. Larger pipes can sometimes make the exhaust louder.
- Muffler Design: The muffler is what quiets the exhaust. Different designs create different sounds. Some mufflers are straight-through, while others have baffles to change the sound waves.
- Brand Reputation: Stick with brands that have a good name for making quality Miata parts. They usually stand behind their products.
User Experience and Use Cases: How You’ll Use Your Exhaust
Think about how you’ll be driving your Miata. This will help you choose the right exhaust.
- Daily Driver: If you drive your Miata every day, you probably want an exhaust that sounds sporty but isn’t too loud or annoying in traffic. A moderate tone is usually best.
- Weekend Warrior/Track Car: If you only drive your Miata for fun or take it to the track, you might want a louder, more aggressive exhaust. You might also prioritize performance gains.
- Show Car: If your Miata is mostly for show, you might choose an exhaust based on how the tip looks or the brand name.
Frequently Asked Questions (FAQ) About Miata Exhausts
Q: What are the main Key Features to look for?
A: You should look for sound, material, good fitment for your specific Miata, potential performance gains, and a nice-looking exhaust tip.
Q: What are the best materials for a Miata exhaust?
A: High-quality stainless steel, especially 304 stainless steel, is usually the best choice because it’s durable and resists rust. Titanium is a lightweight, premium option.
Q: Can a new exhaust actually make my Miata faster?
A: Yes, some exhausts are designed to help your engine breathe better, which can give you a small increase in horsepower and torque. It’s usually not a huge difference, but it can be noticeable.
Q: How much louder will a new exhaust make my Miata?
A: This depends on the specific exhaust system. Some are designed to be only slightly louder than stock, while others are very aggressive and loud. Always check sound clips if available.
Q: Will any exhaust fit any Miata?
A: No, you need to make sure the exhaust is designed for your specific Miata model and year. This ensures proper fitment and avoids the need for custom work.
Q: What does “cat-back” exhaust mean?
A: A “cat-back” exhaust system replaces everything from the catalytic converter (the part that cleans up emissions) back to the exhaust tip. It’s a common type of upgrade.
Q: Is it hard to install a new Miata exhaust?
A: For most people with basic tools and some mechanical knowledge, installing a cat-back exhaust is a manageable DIY project. Some systems are easier to install than others.
Q: Will a louder exhaust affect my Miata’s fuel economy?
A: Usually, the impact on fuel economy is very small. If you drive more aggressively with a louder exhaust, you might use a little more fuel, but the exhaust itself doesn’t significantly change it.
Q: What if I don’t like the sound of my new exhaust?
A: This is why listening to sound clips beforehand is important. If you’re unhappy, you might be able to sell it and buy a different one, but this can be a hassle and cost money.
Q: Are there any legal issues with aftermarket exhausts?
A: In some places, there are laws about how loud exhaust systems can be. Make sure your chosen exhaust meets local noise regulations to avoid tickets.
In conclusion, every product has unique features and benefits. We hope this review helps you decide if it meets your needs. An informed choice ensures the best experience.
If you have any questions or feedback, please share them in the comments. Your input helps everyone. Thank you for reading.
I’m the recipe developer and food photographer behind Air Fryer at Tiffany’s. I’m also a wife, mom to two adventurous little boys, registered nurse, and live in the great Midwest. Join me as I show you new ways to use your air fryer that you never knew possible.