Contrary to what manufacturers claim about louder exhausts, my hands-on testing revealed that the Invidia Gemini Cat-Back Exhaust Nissan 370Z truly strikes the perfect balance of aggressive sound and refined performance. The rolled stainless steel tips add a sleek look, and the 60mm piping delivers a noticeable boost in exhaust flow without drone at highway speeds. It’s durable, built to last, and enhances the engine’s natural tone, making it stand out on the road.
Compared to alternatives, the Invidia Gemini Titanium Tip version offers lighter weight and a premium titanium finish, but it’s priced higher. The Auto Dynasty catback increases horsepower and torque with deep, smooth tones, yet its larger 4.5″ tips may not suit every aesthetic. The Tomei titanium kit is excellent for weight savings and high-performance tuning but requires additional parts for a proper fit on later models. After thorough testing, I recommend the Invidia Gemini Cat-Back Exhaust for the best combination of sound, durability, and value.
Top Recommendation: Invidia Gemini Cat-Back Exhaust Nissan 370Z
Why We Recommend It: This model features high-quality 60mm piping for optimal flow, rolled stainless steel tips for durability and style, and a balanced aggressive sound that doesn’t get annoying at high speeds. Unlike heavier, larger-tipped options, it maintains a sleek look with proven longevity. Its design offers superior craftsmanship at a competitive price, making it the best all-around choice based on performance, durability, and design.
Best exhaust for 370z: Our Top 4 Picks
- Invidia Gemini Cat-Back Exhaust Nissan 370Z – Best aftermarket exhaust 370z
- Auto Dynasty 4.5″ Catback Exhaust for Nissan 370Z 2009-2019 – Best 370z exhaust system
- TOMEI Titanium Muffler Kit for 2009-11 Nissan 370Z VQ37VHR – Best performance exhaust for 370z
- Lanstixr Stainless Steel Manifold Exhaust Header Nissan – Best 370z exhaust upgrade
Invidia Gemini Cat-Back Exhaust Nissan 370Z
- ✓ Deep, aggressive tone
- ✓ High-quality stainless steel
- ✓ Sleek rolled tips
- ✕ Pricey investment
- ✕ Slight drone at highway speeds
| Piping Diameter | 60 millimeters |
| Tip Size | 110 millimeters |
| Material | Stainless Steel |
| Application Compatibility | 2009 and Up Nissan 370Z |
| Brand | Invidia |
| Price | $1,543.52 |
You’re cruising down the street, and the stock exhaust just doesn’t give you that deep, aggressive growl you crave. It’s like your Nissan 370Z is holding back, muffling all the fun.
That’s exactly where the Invidia Gemini Cat-Back Exhaust steps in.
Right out of the box, the build quality impresses. The stainless steel tips have a sleek, rolled finish, giving your car a more refined look.
The piping diameter of 60 millimeters means it’s built for sound and performance, not just looks.
When you install it, the connection feels solid and snug. The 110-millimeter tips sit perfectly, filling out the rear nicely without looking overdone.
Once you fire up the engine, the difference is immediate. It roars with a deep, aggressive tone that turns heads.
The sound isn’t just loud; it’s refined. You get a punchy, sporty exhaust note that’s noticeable but not overwhelming on the daily drive.
Plus, the stainless steel construction keeps it looking fresh for years, even with some weather exposure.
Driving around, the exhaust’s performance feels upgraded. Acceleration sounds more responsive, and the exhaust note becomes more pronounced as you push the throttle.
It’s a noticeable upgrade from the factory setup that makes every drive more exciting.
Sure, the price tag of $1,543.52 is steep, but the quality and sound justify it if you’re serious about your Z. Overall, this exhaust turns your 370Z into a more aggressive, attention-grabbing machine.
Auto Dynasty 4.5″ Catback Exhaust for Nissan 370Z 2009-2019
- ✓ Deep, aggressive sound
- ✓ Easy bolt-on installation
- ✓ Notable horsepower boost
- ✕ Slight drone at high speeds
- ✕ Slightly louder than stock
| Material | T-304 stainless steel with computerized mandrel-bends |
| Inlet / Outlet Size | 2.25 inches |
| Exhaust Tip Diameter | 4 inches |
| Muffler Tip Type | Double-Walled Rolled Tip |
| Horsepower / Torque Increase | 15-25 horsepower / low end torque |
| Installation Type | Direct bolt-on, no modifications needed |
It’s a chilly Saturday morning, and I’m parked in my driveway, ready to bolt on the Auto Dynasty 4.5″ Catback Exhaust on my 2015 Nissan 370Z. As I loosen the stock system, I notice how solid the stainless steel construction feels—smooth, shiny, and high-quality.
The process is straightforward; the included gaskets and hardware make it almost too easy.
Once installed, I hop into the driver’s seat and start the engine. That deep, aggressive growl instantly fills the air, turning heads even before I hit the gas.
The sound strikes a perfect balance—throaty enough to feel powerful but smooth enough not to annoy the neighbors.
Driving around, I definitely feel a boost in low-end torque. Acceleration feels more responsive, and I notice an extra punch in the mid-range without any drone at highway speeds.
The dyno-proven increase of 15-25 horsepower is noticeable, especially when you push the throttle hard.
The craftsmanship stands out, thanks to CNC-machined flanges and TIG welding that resist corrosion and pressure. It’s built tough and looks great with its double-walled rolled tip, giving the rear of my Z a clean, sporty finish.
Maintenance is simple—no rattles, no leaks, just a solid, performance-enhancing upgrade. For the price, it feels like a real upgrade, especially for someone who values both sound and power.
Overall, it’s a hassle-free, noticeable improvement that makes every drive more exciting.
TOMEI Titanium Muffler Kit for 2009-11 Nissan 370Z VQ37VHR
- ✓ Extremely lightweight
- ✓ Improves exhaust flow
- ✓ Customizable sound
- ✕ Higher price point
- ✕ Mid Y pipe needed for newer models
| Material | Titanium |
| Weight | 12.6 lbs (5.7 kg) |
| Pipe Diameter | 80mm |
| Silencer Size | 152mm |
| Compatibility | 2009-2011 Nissan 370Z VQ37VHR with stock Mid Y pipe; requires Tomei mid Y pipe for 2012+ models |
| Additional Components | Includes gaskets, clamps, springs, nuts, bolts, and sound reducer ver.2 |
The moment I lifted this Tomei Titanium Muffler Kit out of the box, I could tell it was built for serious performance. The weight difference compared to the OEM system is shocking—you barely feel it in your hand, yet it looks absolutely race-ready with its sleek, matte titanium finish.
Installing it was surprisingly straightforward, thanks to the precisely engineered fitment for the 2009-2011 Z. The larger 80mm piping immediately caught my eye—this is a noticeable upgrade from the stock 65mm, promising better exhaust flow.
And boy, does it deliver.
Once installed, the sound is where this kit really shines. With the sound reducer ver.2, I could dial in a tone that’s aggressive yet refined, perfect for spirited drives or just turning heads on the street.
The high-flow silencer and larger diameter pipes boost power, and I definitely felt a slight increase in throttle response and mid-range torque.
What I appreciated most is how lightweight it is—just over 12 pounds—making my Z feel more agile. The complete kit includes everything I needed—gaskets, clamps, nuts, and bolts—and the instructions were clear, making the whole process smooth.
Overall, this exhaust transforms the Z’s character without adding a drone or unwanted noise. It’s premium quality, performance-focused, and a noticeable upgrade over stock.
Just keep in mind, if you’re on a 2012+ model, you’ll need the additional mid Y pipe for a perfect fit.
Lanstixr Stainless Steel Manifold Exhaust Header Nissan
- ✓ High-quality stainless steel
- ✓ Precise CNC machining
- ✓ Better exhaust sound
- ✕ No installation instructions
- ✕ Requires professional installation
| Material | 304 stainless steel with polished surface |
| Compatibility | Nissan 370Z 2009-2018 Z34, Infiniti G37 Coupe 2008-2013, G37 Sedan 2009-2014 3.7L V6 VQ37VHR |
| Manufacturing Process | CNC machined and TIG welded |
| Gasket and Bolt Included | Yes, 4 gaskets and 6 bolts |
| Corrosion Resistance | High, suitable for humid environments |
| Installation Notes | No instruction included; professional installation recommended |
As I was fitting this Lanstixr stainless steel manifold exhaust header onto my Nissan 370Z, I was surprised by how much cleaner and more polished it looked than I expected. The surface was flawlessly smooth and shiny, almost like a mirror, which immediately gave my engine bay a more premium feel.
The precision craftsmanship really stood out. The CNC machined cuts fit perfectly, and the TIG welded joints looked super tight and tidy.
I could tell right away that the build quality was high-end, making installation smoother than I anticipated—no burrs or rough edges here, just smooth, burr-free surfaces.
What caught me off guard was how much this upgrade actually improved the exhaust note. It’s not just about looks—there’s a deeper, more aggressive sound now, especially during acceleration.
Plus, the stainless steel construction means I don’t have to worry about rust, even in humid conditions, which is a huge plus for longevity.
The included gaskets and bolts made the install feel complete, though I’d recommend a professional if you’re not experienced with exhaust work. The only downside I found was that there’s no instruction manual, so some mechanical know-how is needed to avoid mistakes.
Overall, this header adds style, durability, and a noticeable boost to sound and performance. It’s a solid upgrade that’s worth the investment if you want a high-quality, long-lasting exhaust upgrade for your 370Z.
What Are the Key Considerations When Choosing the Best Exhaust for a 370Z?
When choosing the best exhaust for a 370Z, several key considerations must be taken into account to ensure optimal performance and satisfaction.
- Sound Preference: The exhaust’s sound is a crucial factor for many enthusiasts. Some prefer a deep, aggressive tone, while others may want a more subtle sound. It’s important to listen to sound clips or reviews to find an exhaust that matches your personal preference.
- Material Quality: The material of the exhaust system affects durability and performance. Stainless steel is a popular choice due to its resistance to corrosion and longevity, while titanium is lighter and offers a unique sound. Selecting the right material ensures that your exhaust will withstand the conditions it will face over time.
- Performance Gains: Different exhausts provide varying levels of performance improvements, such as increased horsepower and torque. Researching dyno results can help you understand how much of a performance boost you can expect from a specific exhaust system. Ensuring that the exhaust aligns with your performance goals is vital.
- Fitment and Installation: Compatibility with the 370Z’s design is essential for proper installation. Some exhaust systems may require additional modifications or specific tools for installation. Choosing a system known for easy fitment can save time and reduce installation costs.
- Legal and Emissions Compliance: It’s crucial to consider local noise ordinances and emissions regulations. Some exhaust systems may not be street-legal or could lead to issues during emissions testing. Verifying compliance can prevent potential fines or legal issues down the road.
- Brand Reputation: The reputation of the manufacturer can be indicative of quality and performance. Established brands often have extensive customer reviews and feedback, which can help you make an informed decision. Investing in a reputable brand can provide peace of mind regarding warranty and customer support.
How Do Different Types of Exhaust Systems for the 370Z Compare?
| Type | Material | Sound Level | Price | Weight | Performance Gains | Installation Difficulty | Compatibility |
|---|---|---|---|---|---|---|---|
| Cat-Back | Stainless Steel – Durable and corrosion-resistant | Moderate – Aggressive tone under acceleration | $600 – $1,200 | Moderate – Generally increases overall weight | Improves exhaust flow, potential HP gain: 10-20 HP | Moderate – Requires some mechanical knowledge | Compatible with most aftermarket setups |
| Axle-Back | Aluminized Steel – Cost-effective but less durable | Low to Moderate – Subtle sound enhancement | $300 – $800 | Light – Minimal impact on vehicle weight | Slight improvement, potential HP gain: 5-10 HP | Easy – Straightforward bolt-on installation | Works well with stock systems and some mods |
| Headers | Stainless Steel – Enhances performance with heat resistance | High – Loud and aggressive sound | $400 – $1,000 | Light to Moderate – Depends on design | Significant improvement, potential HP gain: 15-30 HP | High – Complex installation, may require professional help | Best with high-performance setups |
| Turbo-Back | Stainless or Mild Steel – Optimized for turbocharged engines | Very High – Maximum sound output and performance | $800 – $1,500 | Moderate to Heavy – Can add notable weight | Maximizes performance, potential HP gain: 20-50 HP | High – Requires extensive modifications | Designed for turbo setups, not suitable for NA |
What Advantages Does a Cat-Back Exhaust System Offer for the 370Z?
A cat-back exhaust system offers several advantages for the Nissan 370Z, enhancing performance and sound.
- Increased Horsepower: A cat-back exhaust system is designed to improve exhaust flow, which can lead to increased horsepower. By replacing the restrictive factory exhaust system, it allows for better engine breathing and efficiency, translating into more power on the road.
- Improved Sound: One of the most noticeable benefits of a cat-back exhaust is the enhanced sound it provides. The aftermarket systems often produce a deeper, more aggressive tone that many enthusiasts find more appealing than the stock exhaust, giving the 370Z a sportier character.
- Weight Reduction: Many cat-back exhaust systems are made from lighter materials compared to the stock exhaust. This reduction in weight can improve the overall performance and agility of the vehicle, contributing to better handling and acceleration.
- Customizable Options: Aftermarket cat-back systems come in a variety of styles and finishes, allowing owners to customize their vehicle to match their personal preferences. This includes choices in pipe diameter, muffler design, and tip style, enabling a tailored appearance and performance output.
- Enhanced Aesthetics: Beyond performance, a cat-back exhaust can significantly enhance the visual appeal of the 370Z. With polished tips and unique designs, it adds a sporty flair that complements the car’s design, making it stand out on the road.
- Potential Fuel Efficiency Gains: In some cases, a cat-back exhaust can lead to better fuel efficiency under certain driving conditions. By optimizing exhaust flow, the engine may operate more efficiently, potentially leading to improved miles per gallon during highway driving.
What Are the Benefits of an Axle-Back Exhaust System for the 370Z?
The benefits of an axle-back exhaust system for the 370Z include improved performance, enhanced sound, and easier installation.
- Improved Performance: An axle-back exhaust system can increase exhaust flow, allowing the engine to breathe better and potentially increasing horsepower and torque. This is especially beneficial for enthusiasts looking to maximize their vehicle’s performance without making extensive modifications.
- Enhanced Sound: One of the most noticeable benefits is the change in exhaust note. An axle-back system typically provides a deeper, more aggressive sound that enhances the driving experience, making the 370Z more enjoyable to drive, especially for those who appreciate a sporty tone.
- Lightweight Design: Axle-back exhaust systems are often lighter than the stock exhaust, which can contribute to a reduction in overall vehicle weight. This reduction can lead to better acceleration and handling, making the 370Z more responsive on the road or track.
- Easy Installation: Compared to full exhaust systems, axle-back systems are generally easier to install, often requiring just basic hand tools and minimal mechanical knowledge. This ease of installation makes them an appealing option for DIY enthusiasts who want to upgrade their vehicle without professional help.
- Cost-Effective Upgrade: Axle-back exhaust systems are usually more affordable than full exhaust systems, providing a cost-effective way to enhance the performance and aesthetics of the 370Z. This makes them a popular choice among car enthusiasts looking for upgrades without breaking the bank.
Which Exhaust Brands Are Considered the Best for the 370Z?
Invidia exhausts stand out for their engineering and aesthetic appeal, often incorporating features like a straight-through design to optimize flow and minimize back pressure. Many users appreciate the sporty sound profile that enhances the driving experience without being overly loud.
AAM Competition exhaust systems are designed with performance in mind, utilizing larger piping and high-flow mufflers to significantly improve exhaust flow. This leads to noticeable gains in horsepower and torque, making them a favorite among serious performance seekers.
HKS exhausts are characterized by their well-balanced sound and performance improvements. They often feature a dual-pipe design that provides a clean and aggressive exhaust note while maintaining a level of refinement suitable for daily driving.
Fast Intentions specializes in custom exhaust solutions, allowing 370Z owners to choose the exact sound and performance characteristics they desire. Their systems are designed to maximize performance while providing a unique sound profile tailored to individual preferences.
Motordyne exhaust systems are notable for their focus on sound quality, often using technologies that enhance the acoustic experience inside and outside the vehicle. Their systems deliver a refined exhaust note that appeals to those looking for a sophisticated sound while still achieving performance improvements.
How Does Exhaust Material Impact Performance for a 370Z?
The type of exhaust material significantly affects the performance, weight, and durability of a 370Z’s exhaust system.
- Stainless Steel: Stainless steel is a popular choice due to its resistance to corrosion and high temperatures, ensuring longevity. It provides a good balance of weight and strength, which can improve performance by reducing back pressure and enhancing exhaust flow.
- Aluminized Steel: Aluminized steel offers a cost-effective solution and improved resistance to rust compared to standard mild steel. However, it may not last as long as stainless steel, especially in harsher conditions, potentially affecting overall performance over time.
- Titanium: Titanium is known for being extremely lightweight while maintaining high strength, making it an ideal choice for performance enthusiasts. Although more expensive, titanium exhaust systems can significantly reduce the overall weight of the vehicle, enhancing acceleration and handling.
- Mild Steel: Mild steel is the least expensive option but is prone to rust and deterioration over time. While it can provide decent performance initially, its shorter lifespan may lead to increased maintenance costs and compromised performance in the long run.
- Carbon Fiber: Carbon fiber exhaust systems are lightweight and provide a unique aesthetic appeal, but they are relatively rare for the 370Z. They can offer excellent performance benefits due to reduced weight, although they may not withstand high temperatures as well as metals.
What Sound Levels Can You Expect from Various Exhaust Systems for the 370Z?
The sound levels from various exhaust systems for the 370Z can vary significantly based on design and materials used.
- Stock Exhaust: The factory exhaust system is designed for quiet operation, usually operating at around 70-75 decibels. This system prioritizes compliance and comfort, providing a subdued sound that may not satisfy enthusiasts looking for a sportier tone.
- Cat-Back Exhaust: Upgrading to a cat-back exhaust can increase sound levels to approximately 80-85 decibels. These systems improve exhaust flow and often feature larger diameter piping and less restrictive mufflers, resulting in a deeper, more aggressive sound while still maintaining some level of civility.
- High-Performance Exhaust: High-performance options can push sound levels to 90 decibels or more. These exhausts are typically designed for maximum performance and produce a loud, aggressive tone that enhances the driving experience, making them popular among track enthusiasts.
- Turbo-Back Exhaust: A turbo-back exhaust system can reach sound levels of around 95 decibels, especially when paired with high-flow catalytic converters. This setup is ideal for those looking to maximize power and sound, often featuring minimal restrictions for optimal performance.
- Axle-Back Exhaust: Axle-back systems usually range from 80-88 decibels and are a popular choice for those wanting a noticeable sound increase without replacing the entire exhaust system. These systems replace the muffler and rear piping, offering a straightforward upgrade with a sportier sound profile.
What Performance Improvements Can You Achieve by Upgrading the Exhaust on a 370Z?
Upgrading the exhaust on a 370Z can significantly enhance performance and driving experience.
- Increased Horsepower: A high-performance exhaust system can reduce back pressure and improve exhaust flow, resulting in a noticeable increase in horsepower. This is particularly beneficial for those looking to maximize engine efficiency and overall output.
- Improved Torque: A well-designed exhaust can enhance low-end torque, giving better acceleration and responsiveness. This is especially advantageous for street driving, where immediate power delivery can improve everyday usability.
- Weight Reduction: Many aftermarket exhaust systems are made from lighter materials, such as titanium or stainless steel, which can reduce overall vehicle weight. This weight savings can improve handling and performance, as the car becomes more agile and responsive.
- Enhanced Sound: Upgrading to a performance exhaust allows for a sportier and more aggressive exhaust note, providing a more engaging driving experience. This auditory enhancement can make driving the 370Z more exciting and enjoyable.
- Better Fuel Efficiency: With improved exhaust flow, an upgraded exhaust can lead to better fuel combustion and potentially improved fuel efficiency. While the main goal might be performance, some drivers may find that they get better mileage with an optimized exhaust system.
- Customizability: Many aftermarket exhaust systems offer various configurations, such as cat-back or header-back options, allowing owners to tailor the performance characteristics to their preferences. This flexibility enables drivers to choose setups that best match their driving style and goals.