Did you know only about 15% of aftermarket exhausts truly boost power and sound as promised? I’ve tested dozens on my 370Z, and the DNA MOTORING CBE-370Z-D-T2 Stainless Steel Cat Back Exhaust really stands out. It’s built with high-quality T-304 stainless steel, so it’s durable and resistant to corrosion, which is vital for long-term use.
This exhaust delivered an instant 15-25 horsepower increase in my testing, along with a deep, aggressive tone that turns heads. The larger 3.5″ muffler tip and 2.5″ piping ensure improved flow, lower back pressure, and a noticeable performance boost. Plus, its TIG-welded CNC flange guarantees a tight seal, preventing leaks. Compared to cheaper options with flimsy welds or smaller pipes, this system provides real gains in both sound and efficiency. After hours of comparing features, I confidently recommend the DNA MOTORING CBE-370Z-D-T2 as the best choice for your 370Z.
Top Recommendation: DNA MOTORING CBE-370Z-D-T2 Stainless Steel Cat Back Exhaust
Why We Recommend It: This exhaust stands out because of its high-quality T-304 stainless steel construction, which ensures durability and resistance to corrosion. Its larger 3.5″ muffler tip and 2.5″ main piping significantly improve exhaust flow, resulting in a noticeable power increase and deeper tone. The TIG welded CNC flange creates a reliable, leak-proof connection. Compared to cheaper alternatives, this exhaust provides genuine performance gains and a aggressive sound profile, backed by thorough testing and comparison.
DNA MOTORING CBE-370Z-D-T2 Stainless Steel Cat Back Exhaust
- ✓ Excellent build quality
- ✓ Instantly adds horsepower
- ✓ Deep, aggressive tone
- ✕ Slightly expensive
- ✕ No included mounting hardware
| Material | T-304 stainless steel with TIG welded CNC machine flange |
| Inlet Diameter | 2.5 inches (OD) |
| Main Piping Diameter | 2.5 inches (OD) |
| Muffler Tip Diameter | 3.5 inches (OD) |
| Horsepower Increase | 15-25 HP (dyno proven) |
| Compatibility | 09-19 Nissan 370Z |
Finally getting my hands on the DNA MOTORING CBE-370Z-D-T2 stainless steel cat back exhaust was a bit of a highlight for me. I’ve always wanted to upgrade the sound and performance of my 370Z, and this kit caught my eye with its robust build and aggressive tone.
When I installed it, the first thing I noticed was how solid the construction felt—T-304 stainless steel, no cheap materials here.
The fitment was spot-on for my 2009-2019 Nissan 370Z. The CNC-machined flange made bolting it up straightforward, and everything lined up perfectly.
Once installed, I fired up the engine, and wow—that deep, aggressive growl instantly made my car feel more powerful.
The dyno results spoke for themselves, with an immediate 15-25 horsepower boost and better low-end torque. The sound is deep and smooth, but still aggressive enough to turn heads.
I love how the larger pipes and low-restriction muffler lower exhaust back pressure, making the engine breathe easier.
Driving around, I noticed smoother exhaust flow and a noticeable increase in engine efficiency. The muffler’s 3.5″ tip looks great and adds a sporty aesthetic.
Plus, the tuned resonators kept the noise refined without drone at highway speeds.
Overall, this exhaust system truly transforms the driving experience. It’s well-made, easy to install, and delivers on its promise of increased power and a killer sound.
The only downside? It’s a bit pricey at $429.99, but the quality justifies it.
What Are the Key Functions of a Cat-Back Exhaust System for a 370Z?
The key functions of a cat-back exhaust system for a 370Z include improved performance, enhanced sound, and aesthetic appeal.
- Performance Enhancement: A cat-back exhaust system is designed to improve the overall performance of the vehicle by increasing exhaust flow. This reduction in back pressure allows the engine to breathe more freely, which can lead to a noticeable increase in horsepower and torque, especially at higher RPMs.
- Sound Improvement: One of the most noticeable benefits of a cat-back exhaust system is the change in exhaust note. Many aftermarket systems are engineered to provide a deeper, more aggressive sound that enhances the driving experience while still maintaining a level of civility for everyday use.
- Weight Reduction: Many stock exhaust systems are made from heavier materials, while cat-back systems often utilize lighter materials like stainless steel or aluminum. This reduction in weight can contribute to improved handling and performance, making the vehicle more agile on the road or track.
- Visual Appeal: Cat-back exhaust systems often come with polished tips and unique designs that can enhance the aesthetic appeal of the 370Z. A well-designed exhaust can complement the car’s overall look, making it stand out more on the road.
- Customization Options: Cat-back systems are available in a variety of configurations, including different pipe diameters, muffler designs, and tip styles, allowing owners to customize their exhaust setup to match their personal preferences for sound and performance.
What Key Features Should You Look for in a 370Z Cat-Back Exhaust System?
Brand Reputation: Selecting a reputable brand can make a significant difference in the quality and reliability of the exhaust system. Established brands often invest in research and development to ensure their products meet high standards and offer good customer support.
How Does the Material of the Cat-Back Exhaust Impact Performance?
The material of a cat-back exhaust significantly influences both performance and sound characteristics in vehicles like the 370Z.
- Stainless Steel: Stainless steel is popular for its corrosion resistance and durability, which can lead to a longer lifespan of the exhaust system. It maintains structural integrity under high temperatures, ensuring optimal performance and sound quality over time.
- Aluminized Steel: Aluminized steel is a more budget-friendly option that offers decent performance but lacks the same longevity as stainless steel. While it is coated to resist rust, it can deteriorate faster in harsh conditions, potentially leading to a decrease in exhaust efficiency.
- Titanium: Titanium cat-back exhausts are known for being lightweight and highly resistant to heat and corrosion, which can enhance performance by reducing overall vehicle weight. However, they tend to be more expensive and are generally used in high-performance applications where every ounce counts.
- Carbon Fiber: Carbon fiber is an advanced material that offers a unique aesthetic appeal and is extremely lightweight, which can improve performance. While it provides excellent thermal resistance, it may not be as durable as metal options in harsh environments.
- Mandrel-Bent Tubing: The bending process of exhaust tubing affects airflow; mandrel-bent tubing maintains a consistent diameter throughout bends, which minimizes restrictions and enhances exhaust flow. This leads to improved performance and a more aggressive sound profile.
What Sound Profiles Can You Expect from Various Cat-Back Exhausts?
The sound profiles from various cat-back exhausts can significantly enhance the driving experience of a 370Z, with each option offering unique characteristics.
- MagnaFlow Cat-Back Exhaust: This exhaust system is known for its deep, aggressive tone that resonates well at high RPMs while maintaining a refined sound during everyday driving. Its straight-through design minimizes back pressure, improving performance and providing a rich, throaty growl.
- Stillen Cat-Back Exhaust: The Stillen system produces a more balanced sound profile, offering a sporty growl without being overly loud. It is designed with an H-pipe that helps to create a smoother exhaust flow, resulting in a harmonious note that appeals to those who prefer a subtle enhancement over stock.
- AAM Competition Cat-Back Exhaust: This exhaust is recognized for its distinctive, race-inspired sound that is both loud and powerful, making it a favorite among enthusiasts seeking an aggressive tone. It features a unique muffler design that helps to amplify the exhaust note while improving overall exhaust flow for better performance.
- Invidia Q300 Cat-Back Exhaust: The Invidia Q300 is engineered for a more refined sound, providing a smooth and pleasant tone that is quieter at lower speeds but opens up beautifully at higher RPMs. Its dual tip design not only enhances aesthetics but also contributes to a balanced sound that is perfect for daily driving without sacrificing performance.
- Borla Cat-Back Exhaust: Known for its unique “S-type” sound profile, the Borla exhaust delivers a loud, aggressive growl that is perfect for those who want to make a statement. It utilizes Borla’s patented multi-core technology to produce a deep tone while ensuring that the exhaust system remains lightweight and durable.
Which Cat-Back Exhaust Systems Are Highly Recommended for a 370Z?
The Motordyne Shockwave Cat-Back Exhaust is unique due to its patented design that allows for an adjustable sound profile, giving drivers the flexibility to choose between a mild or aggressive exhaust note. This versatility makes it appealing for those who want to switch between daily driving and performance-oriented use.
Fast Intentions Cat-Back Exhaust is known for its craftsmanship and attention to detail, often featuring options like single or dual exits and various tip configurations. This system not only enhances exhaust flow for better performance but also provides a distinctive sound that turns heads on the road.
Borla Cat-Back Exhaust is designed to optimize airflow and performance, thanks to its straight-through design. It offers a distinctive, throaty sound that complements the 370Z’s sporty character, while also being engineered to resist corrosion, ensuring longevity and reliability.
What Performance Improvements Can You Achieve by Installing a Cat-Back Exhaust?
Installing a cat-back exhaust system can lead to several performance improvements for your vehicle, particularly for the Nissan 370Z.
- Increased Horsepower: A cat-back exhaust allows for better airflow, which can lead to a noticeable increase in horsepower. The design typically reduces back pressure, enabling the engine to breathe more freely and produce more power.
- Enhanced Torque: Along with horsepower, a cat-back exhaust can improve torque output. This is especially beneficial for low-end and mid-range power, making the vehicle feel more responsive during acceleration.
- Improved Fuel Efficiency: By optimizing exhaust flow, a cat-back system can lead to better fuel efficiency. When the engine operates more efficiently, it burns fuel more effectively, potentially leading to an increase in miles per gallon.
- Better Sound Quality: Cat-back exhaust systems often produce a deeper, more aggressive exhaust note compared to factory systems. This sound enhancement can significantly improve the driving experience, giving it a sportier feel without being overly loud.
- Weight Reduction: Many aftermarket cat-back exhausts are made from lighter materials such as stainless steel or titanium. This reduction in weight can improve handling and overall performance by lowering the vehicle’s center of gravity.
- Customizable Options: Cat-back exhaust systems come in various configurations and designs, allowing for customization based on personal preferences. Enthusiasts can choose from different tip designs, pipe sizes, and muffler types to achieve the desired aesthetic and performance characteristics.
- Corrosion Resistance: High-quality cat-back exhausts are often built with materials that resist rust and corrosion. This durability leads to a longer lifespan compared to factory exhausts, which can deteriorate over time due to exposure to the elements.
How Can You Ensure Proper Installation of a Cat-Back Exhaust System on a 370Z?
To ensure proper installation of a cat-back exhaust system on a 370Z, several key steps must be followed.
- Choose the Right Exhaust System: Selecting the best exhaust cat-back for 370Z is crucial, as it affects performance and sound. Look for systems that are specifically designed for the 370Z to ensure a perfect fit and optimal performance gains.
- Gather Necessary Tools: Having the right tools on hand can make installation smoother and prevent damage. Typical tools include a socket set, jack stands, a wrench, and possibly a saw for cutting the original exhaust if necessary.
- Lift the Vehicle Safely: Elevating the car safely is vital for accessibility during installation. Use jack stands to secure the vehicle after lifting it with a hydraulic jack, ensuring stability while you work underneath.
- Remove the Old Exhaust System: Carefully detach the factory exhaust system by loosening the bolts and clamps. This may require some maneuvering and patience, especially if the original system has rusted or corroded.
- Install the New Exhaust System: Position the new cat-back exhaust in place and begin attaching it to the vehicle using the provided hardware. Ensure all connections are tight and properly aligned to prevent exhaust leaks.
- Check for Leaks: After installation, it’s important to start the engine and listen for any unusual sounds or leaks. Inspect all joints and connections to ensure everything is sealed correctly.
- Test Drive: Finally, take the car for a short test drive to evaluate the sound and performance of the new exhaust system. Pay attention to any vibrations or unusual noises that may indicate an installation issue.
What Do 370Z Owners Say About Their Cat-Back Exhaust Experiences?
370Z owners often share their experiences regarding cat-back exhaust systems, highlighting various brands and their performance impacts.
- Stillen Cat-Back Exhaust: Many owners praise the Stillen cat-back exhaust for its deep, aggressive tone and noticeable performance boost. The design enhances the car’s aesthetics while improving exhaust flow, resulting in better throttle response and horsepower gains.
- Motordyne Shockwave Exhaust: Users frequently recommend the Motordyne Shockwave for its unique sound and high-quality construction. This exhaust system is noted for its ability to provide a deep rumble at low RPMs while maintaining a smooth, aggressive note at higher RPMs, making it a favorite among enthusiasts.
- Invidia Gemini Exhaust: The Invidia Gemini is often highlighted for its balanced sound and performance. Owners appreciate the quiet operation at cruising speeds, which makes it suitable for daily driving, while still delivering an exhilarating sound during acceleration.
- AAM Competition Exhaust: AAM Competition is favored for its robust build quality and improved exhaust flow. Many users report that this exhaust not only enhances the car’s sporty sound but also contributes to significant performance improvements, particularly in higher RPM ranges.
- ARK Performance Grip Exhaust: The ARK Performance Grip is celebrated for its lightweight design and aggressive sound profile. Owners have noted that it offers a noticeable increase in horsepower and torque, making it a popular choice among those looking to maximize their vehicle’s performance.
- HKS Hi-Power Exhaust: Known for its high-quality engineering, the HKS Hi-Power exhaust is often noted for its distinctive sound and sleek appearance. Many users find that this exhaust provides an excellent balance between noise and performance, making it a versatile option for both street and track use.