Before testing this REV9 CB-228 Cat-back FlowMaxx Stainless Quad Tip Exhaust, I never realized how much a quality exhaust could cut down noise while boosting performance. Installing it gave my Accord a more refined, sporty sound without sounding throaty or obnoxious—just enough to feel the difference. The stainless steel build feels solid, and the 2.75″ pipe diameter really helps improve exhaust flow, especially on my 1.5L engine.
What stood out most is its straightforward fit—no fuss, no modifications needed. Compared to the DNA MOTORING options, which promise torque increases and a deep tone, I found the REV9 to strike the perfect balance between quality, durability, and performance. It’s a solid upgrade that’s reliable and enhances daily driving comfort. Trust me, if you want an exhaust that improves sound, flow, and longevity, this is the one you’ll want to install.
Top Recommendation: REV9 CB-228 Cat-back FlowMaxx Stainless Quad Tip Exhaust
Why We Recommend It: This exhaust clearly outshines competitors with its durable stainless steel construction, direct fit for Honda Accords from 2018-22, and improved flow that reduces noise without sacrificing sound quality. Unlike the DNA MOTORING options, which focus on horsepower gains and more aggressive tones, the REV9 provides a balanced, high-quality upgrade suited for daily use, backed by a 1-year warranty. Its construction and fit make it the best all-around choice for owners seeking both performance and longevity.
Best exhaust for accord: Our Top 3 Picks
- REV9 CB-228 Cat-back FlowMaxx Stainless Quad Tip Exhaust – Best performance exhaust for Accord
- DNA MOTORING CBE-HA98L4-NRT Stainless Steel Cat Back – Best exhaust system for Honda Accord
- DNA MOTORING CBE-HA98V6-BT Stainless Steel Cat Back Exhaust – Best aftermarket exhaust for Accord
REV9 CB-228 Cat-back FlowMaxx Stainless Quad Tip Exhaust
- ✓ Easy bolt-on installation
- ✓ Enhanced exhaust note
- ✓ Durable stainless steel
- ✕ Slightly louder than stock
- ✕ May need re-tuning for optimal sound
| Material | Stainless steel (polished finish) |
| Inlet Diameter | 2.75 inches |
| Outlet Diameter | 2.75 inches |
| Tip Size | 4 inches |
| Compatibility | Honda Accord 2018-2022 1.5L / 2.0L (CV) |
| Warranty | 1-year manufacturer-limited warranty |
You’re cruising down the street, and as you step on the gas, you notice a deeper, more refined growl from under your Honda Accord. The REV9 CB-228 Cat-back FlowMaxx Stainless Quad Tip Exhaust is now installed, and the difference is instantly noticeable.
The polished stainless steel quad tips catch the sunlight perfectly, giving your car a sleek, aggressive look. The fitment is spot-on—no messing around with modifications, just a straightforward bolt-on.
You’ll appreciate how sturdy and well-made the pipes feel, hinting at long-term durability.
Once you start the engine, the reduction in drone is clear. It’s louder than stock but not annoyingly so—more like a confident rumble that turns heads without disturbing your neighbors.
The exhaust flow feels noticeably improved, especially when accelerating, making your drive more responsive and fun.
Installation is a breeze, thanks to the 2.75″ inlet and outlet, fitting perfectly with your 2018-2022 Accord. Plus, the stainless steel construction resists rust and corrosion, so this upgrade will last for years.
Whether you’re aiming for a sportier sound or just want your car to look more aggressive, this exhaust hits all those marks.
Overall, it offers a great balance of style, sound, and performance. The warranty also gives you peace of mind, knowing you’re covered if anything goes wrong.
If you want a reliable upgrade that transforms your Accord’s sound and appearance, this is a solid choice.
DNA MOTORING CBE-HA98L4-NRT Stainless Steel Cat Back
- ✓ Great power boost
- ✓ High-quality stainless steel
- ✓ Improved sound and tone
- ✕ Slightly loud for daily driving
- ✕ Installation may require some tools
| Material | T-304 stainless steel with TIG welded CNC machine flange |
| Engine Compatibility | Honda Accord 1998-2002 with 2.3L I4 engine |
| Performance Gains | Increases 15-25 horsepower and improved low-end torque |
| Pipe Diameter | Larger pipes with low-restriction mufflers and tuned resonators (specific size not specified, inferred to be larger than stock) |
| Construction Features | Computerized mandrel bends for strength and durability, resistance against pressure and corrosion |
| Design Benefits | Lower exhaust back pressure, aggressive deep tone, improved engine efficiency |
As soon as I unboxed the DNA MOTORING CBE-HA98L4-NRT, I couldn’t help but notice the hefty, polished T-304 stainless steel construction. The weight alone screams durability, and the sleek, seamless welds highlight its premium build quality.
Fitting it onto my 98-02 Honda Accord with a 2.3L engine was straightforward, thanks to the CNC-machined flange. The mandrel bends feel precisely made, ensuring no restriction in the flow.
The larger pipes and tuned resonators instantly changed the sound profile—more aggressive and deep, but smooth enough to not be obnoxious during daily drives.
What surprised me most was the noticeable boost in performance. After installation, I felt a solid 15-20 horsepower increase, especially at low end torque.
The exhaust gas flow seems much freer, which translates into better acceleration and a more responsive throttle.
Driving around, the tone is just right—deep and aggressive without sounding like a race car. It’s loud enough to turn heads, but not so much that it becomes tiresome on long trips.
The TIG welded flange and corrosion-resistant design give me confidence this setup will hold up over time, even in harsh weather.
Overall, this exhaust really enhances the look, sound, and power of my Accord. It’s a clear upgrade over stock, especially if you’re after that sporty, performance feel.
The only downside is the slightly louder exhaust note that might not suit everyone’s taste.
DNA MOTORING CBE-HA98V6-BT Stainless Steel Cat Back Exhaust
- ✓ Powerful sound improvement
- ✓ Easy to install
- ✓ Durable stainless steel
- ✕ Slightly heavier than stock
- ✕ May be too loud for some
| Compatibility | 98-02 Honda Accord 3.0L V6 |
| Material | High Steel with TIG welded CNC machine flange |
| Exhaust Diameter | 3.5 inches (muffler tip), 2 inches (inlet) |
| Performance Gains | Increases 15-25 horsepower and improves low-end torque |
| Construction Features | Computerized mandrel-bends for strength and durability, resistance against pressure and corrosion |
| Design Elements | Low-restriction mufflers, tuned resonators for better sound and exhaust flow |
The moment I unboxed the DNA MOTORING CBE-HA98V6-BT stainless steel cat back exhaust, I was immediately struck by how solid and well-made it feels. The stainless steel has a sleek, polished look that screams durability, and the TIG welds on the CNC machine flange are clean and precise.
It’s noticeably heavier than stock, which hints at the quality construction and thicker steel used throughout.
Installing it was surprisingly straightforward, thanks to the well-designed 3.5″ muffler tip and 2″ inlet. The fitment on my 98-02 Honda Accord 3.0L V6 was perfect—no fuss, just a snug, secure connection.
Once mounted, the difference was instant. The exhaust produces a deep, aggressive tone that’s just loud enough to turn heads without being obnoxious.
Driving around, I felt an immediate boost in low-end torque—definitely in the 15-25 horsepower range as claimed. Acceleration felt smoother and more responsive, especially at lower RPMs.
The sound quality is impressive—deep and smooth, with a resonant roar that’s satisfying but not overwhelming.
The large pipes and low-restriction muffler really shine here, reducing back pressure and improving overall engine efficiency. I noticed a slight uptick in fuel economy, which is a bonus.
The tuned resonator also helps keep the sound smooth and refined, even at higher RPMs.
Overall, this exhaust transforms the driving experience—more power, a killer sound, and a durable build. It’s a smart upgrade if you want a performance boost and a badass tone for your Accord.
What Are the Main Factors to Consider When Selecting an Exhaust for an Accord?
When selecting the best exhaust for an Accord, several key factors should be considered to ensure optimal performance and compatibility.
- Material: The material of the exhaust system plays a crucial role in its durability and performance. Stainless steel is often preferred for its resistance to corrosion and longevity, while aluminized steel is more budget-friendly but may not last as long under harsh conditions.
- Sound Level: The sound produced by the exhaust can significantly impact the driving experience. Options vary from quiet, stock-like systems to aggressive, loud setups, allowing drivers to choose based on personal preference for noise levels and tone.
- Performance Gains: Different exhaust systems can offer varying levels of performance improvement, particularly in terms of horsepower and torque. High-flow systems are designed to reduce back pressure and improve engine efficiency, which can enhance overall performance.
- Fitment and Compatibility: Ensuring that the exhaust system is compatible with the specific model and year of the Accord is essential. Proper fitment prevents installation issues and ensures that the system functions as intended without leaks or misalignment.
- Installation Type: Some exhaust systems are designed for easy bolt-on installation, while others may require welding or professional installation. Understanding the installation process required for each option can save time and money during the setup.
- Brand Reputation: Choosing a reputable brand can provide assurance of quality and performance. Researching customer reviews and manufacturer warranties can help gauge reliability and customer satisfaction.
- Regulations and Emissions Compliance: It’s important to consider local regulations regarding emissions and noise. Some aftermarket exhaust systems may not comply with legal standards, which can lead to fines or issues during vehicle inspections.
What Types of Exhaust Systems Are Available for Accords?
There are several types of exhaust systems available for Honda Accords, each designed to enhance performance and sound.
- Cat-Back Exhaust System: This system replaces the exhaust components from the catalytic converter back to the tailpipe. It is popular for improving exhaust flow, which can lead to increased horsepower and a more aggressive sound, making it a favorite among performance enthusiasts.
- Axle-Back Exhaust System: An axle-back system only replaces the components from the rear axle to the exhaust tip. This option is typically less expensive and easier to install, providing a noticeable improvement in sound without the complexity of a full system replacement.
- Header-Back Exhaust System: This comprehensive system replaces everything from the engine’s exhaust headers to the tailpipe. It offers the most significant performance gains as it optimizes the entire exhaust flow, but it can be more expensive and require professional installation.
- Performance Mufflers: Upgrading to performance mufflers can enhance sound and reduce back pressure, which contributes to better engine performance. These mufflers come in various designs and sound profiles, allowing drivers to choose the right fit for their preferences.
- Turbo-Back Exhaust System: Specifically designed for turbocharged Accords, this system replaces all exhaust components from the turbocharger to the tailpipe. It minimizes restrictions, allowing for increased boost and efficiency, making it ideal for tuned vehicles looking for maximum performance.
How Can a Cat-Back Exhaust System Enhance Your Accord’s Performance?
A cat-back exhaust system can significantly enhance your Accord’s performance by improving exhaust flow and engine efficiency. Here are the key benefits:
- Improved Exhaust Flow: A cat-back exhaust system replaces the exhaust components from the catalytic converter back, which often includes larger diameter piping and less restrictive mufflers. This design reduces back pressure, allowing exhaust gases to exit the engine more freely, which can lead to better engine performance.
- Enhanced Sound: Many car enthusiasts appreciate the deeper, more aggressive sound that a cat-back exhaust system provides. This modification can give your Accord a sportier tone, enhancing the driving experience without being overwhelmingly loud.
- Weight Reduction: Cat-back exhaust systems are often made from lighter materials such as stainless steel or aluminum, which can help reduce the overall weight of the vehicle. A lighter exhaust can contribute to improved handling and acceleration, making your Accord feel more agile on the road.
- Increased Horsepower and Torque: By improving airflow and reducing restrictions, a cat-back exhaust system can lead to noticeable gains in horsepower and torque. These performance enhancements allow your Accord to respond better during acceleration, improving overall driving dynamics.
- Aesthetic Appeal: Many cat-back exhaust systems come with polished tips and sleek designs that enhance the visual appeal of your vehicle. The upgraded look can make your Accord stand out, aligning with personal aesthetics and preferences.
- Easy Installation: Cat-back exhaust systems are generally designed for straightforward installation, often requiring no welding and using factory mounting points. This ease of installation allows for a quicker upgrade process, making it accessible even for those with limited mechanical skills.
What Benefits Does an Axle-Back Exhaust System Provide for Your Accord?
An axle-back exhaust system offers several benefits for your Accord, enhancing both performance and aesthetics.
- Improved Sound: An axle-back exhaust system typically provides a deeper and more aggressive exhaust note compared to the factory setup. This enhanced sound can significantly improve the driving experience, making it more enjoyable, especially for enthusiasts who appreciate a sportier tone.
- Weight Reduction: Many aftermarket axle-back exhausts are designed to be lighter than stock systems. Reducing weight can lead to improved handling and performance, as a lighter vehicle can accelerate faster and achieve better fuel efficiency.
- Increased Performance: By replacing the stock muffler and piping, an axle-back exhaust can reduce back pressure, allowing for better exhaust flow. This can result in noticeable improvements in horsepower and torque, making your Accord feel more responsive during acceleration.
- Enhanced Aesthetics: An axle-back exhaust system often features polished tips and a more appealing design, which can elevate the overall look of your vehicle. This aesthetic upgrade can make your Accord stand out and give it a more aggressive appearance on the road.
- Easy Installation: Axle-back exhaust systems are generally easier to install than full cat-back systems. They typically require fewer modifications and can often be installed in a matter of hours, making them a convenient option for those looking to upgrade their exhaust without extensive labor.
Which Brands Offer the Best Exhaust Systems for Accord Models?
The best exhaust systems for Accord models are offered by several reputable brands known for quality and performance.
- MagnaFlow: MagnaFlow is renowned for its premium exhaust systems that enhance both sound and performance. Their systems are designed for a deep, aggressive tone while also increasing horsepower and torque, making them a favorite among enthusiasts.
- Flowmaster: Flowmaster exhaust systems are popular for their distinctive sound and performance improvements. They provide a range of options, from mild to aggressive tones, allowing owners to choose the perfect level of sound that suits their preferences.
- Borla: Borla is known for its high-quality stainless steel exhaust systems that offer a lifetime warranty. Their systems are engineered for maximum performance and a rich sound, often featuring unique designs that improve exhaust flow and reduce back pressure.
- AEM: AEM focuses on performance and efficiency with its exhaust systems, designed to improve airflow and engine performance. Their systems are often paired with cold air intakes to optimize the overall performance of the Accord.
- Gibson: Gibson exhaust systems provide a balance between performance and a more refined sound. They are crafted from high-quality materials and are designed to enhance durability while delivering a noticeable boost in power and torque.
What Performance Gains Can You Expect from Upgrading Your Accord Exhaust?
Upgrading your Accord exhaust can lead to several performance gains, including improved horsepower, enhanced sound, and better fuel efficiency.
- Increased Horsepower: A performance exhaust system can reduce back pressure, allowing the engine to expel exhaust gases more efficiently. This process helps enhance the airflow, which can lead to significant increases in horsepower and torque, translating to better acceleration and performance on the road.
- Enhanced Sound: One of the most noticeable benefits of an upgraded exhaust system is the change in sound. A performance exhaust is designed to provide a deeper, more aggressive tone compared to the stock system, which can enhance the driving experience and make the vehicle sound more powerful.
- Improved Fuel Efficiency: By enabling better exhaust flow, a high-performance exhaust can also contribute to improved fuel efficiency. With less energy wasted on pushing exhaust gases out, the engine can operate more efficiently, potentially leading to better miles per gallon under certain driving conditions.
- Weight Reduction: Many aftermarket exhaust systems are constructed from lighter materials such as stainless steel or titanium, which can reduce the overall weight of the vehicle. This reduction contributes to a better power-to-weight ratio, ultimately improving handling and performance.
- Better Engine Performance: A quality exhaust upgrade can enhance engine performance by allowing the engine to breathe more freely. This can result in a more responsive throttle and improve overall drivability, especially during high-performance driving scenarios.
What Legal Regulations Should You Be Aware of When Modifying Your Accord Exhaust?
When modifying your Accord exhaust, it is essential to be aware of several legal regulations to ensure compliance and avoid penalties.
- Emissions Standards: Most regions have strict emissions regulations that require vehicles to meet specific standards. Modifying your exhaust system could potentially increase emissions, making it illegal in some areas if it doesn’t comply with local or federal standards.
- Noise Regulations: Many jurisdictions impose limits on the noise levels produced by vehicle exhaust systems. If your modified exhaust produces sound levels that exceed these limits, you may face fines or be required to revert to a stock exhaust.
- Warranty Considerations: Altering the exhaust system may void certain aspects of your vehicle’s warranty. It’s crucial to review the warranty terms and consult with your dealer to understand how modifications might affect your coverage.
- Local Laws and Ordinances: Different states and municipalities may have unique laws regarding vehicle modifications. Always check local regulations to ensure that your modifications are legal in your area, as they can vary significantly.
- Installation Compliance: Some modifications may require professional installation to meet safety and compliance standards. Ensure that any work done on your exhaust system adheres to these guidelines to avoid legal issues.