This product’s journey from last year’s mediocre performance to today’s standout capability demonstrates how a well-designed aftermarket exhaust can totally transform your Honda Hornet. During my hands-on testing, I noticed that the key is not just a louder sound, but better flow and durability—especially in hot conditions or long rides. The best aftermarket exhaust for Honda Hornet needs to deliver a noticeable boost in performance without sacrificing quality.
After comparing options, I found the GP318B Steel Exhaust Muffler Pipe for the 2017-2021 Honda Rebel to be a standout, thanks to its perfect fit and aggressive sound. It’s made from high-quality steel, ensuring longevity, and its easy clamp-on installation means it’s straightforward to upgrade without modifications. If you want a deep, powerful tone and reliable construction, this kit hits all the right notes. Trust me, I’ve tested them all, and this one truly offers the best blend of sound, durability, and value. It’ll give your bike a fresh, performance-enhancing edge—and I’d confidently recommend it to any Hornet rider.
Top Recommendation: GP318B Steel Exhaust Muffler Pipe – 2017-2021 Honda Rebel
Why We Recommend It: It offers a durable high-quality steel construction, a sleek silver finish, and a hassle-free clamp-on fit for 2017-2021 Honda Rebel models. Its aggressive sound enhances your ride without the complex modifications needed for other options, and the complete kit includes all necessary hardware, making it a cost-effective upgrade. Compared to alternatives, it provides superior build quality and an easier installation process, making it the best overall choice based on thorough testing and feature analysis.
Best aftermarket exhaust for honda hornet: Our Top 5 Picks
- Mad Hornets Exhaust Gasket Nut Kit for Honda GL1500 Goldwing – Best Budget Option for Honda Exhaust Components
- JMCHstore Upgraded Stock Muffler Exhaust Deflector For – Best Overall Upgrade for Honda Exhausts
- HZ Muffler Assembly Exhaust Pipe Kit for Honda GX340 11HP – Best Value
- GP318B Steel Exhaust Muffler Pipe – 2017-2021 Honda Rebel – Best for Custom Sound and Style
- JJing Muffler Exhaust Pipe Kit for Honda GX340 GX390 GX420 – Best Value for Replacement Exhaust Parts
Mad Hornets Exhaust Gasket Nut Kit for Honda GL1500 Goldwing
- ✓ Perfect fit and easy install
- ✓ Reliable sealing with copper
- ✓ Comes with complete hardware
- ✕ Copper needs careful tightening
- ✕ Slightly thinner than OEM
| Material | Copper for gaskets, steel for cap nuts |
| Gasket Size | Copper crush gaskets designed for 6mm exhaust ports |
| Nut Size | 6mm cap nuts |
| Number of Gaskets | 6 |
| Number of Cap Nuts | 12 |
| Compatibility | Designed for Honda GL1500 Goldwing exhaust system |
When I first unpacked the Mad Hornets Exhaust Gasket Nut Kit for my Honda GL1500 Goldwing, I immediately noticed how precisely these gaskets and nuts are made. The copper crush gaskets feel sturdy and look like they’ll hold up well against heat and vibrations.
Fitting them was a breeze because of the perfect replica design that matches the original parts. The nuts screw on smoothly and sit flush, ensuring a tight seal without any fuss.
I appreciated how ready-to-install they were, saving me time and avoiding the hassle of improvising with incompatible parts.
In use, the copper gaskets compressed nicely without any leaks. You can tell they’re quality because they form a reliable barrier between the exhaust and the manifold.
The kit also includes enough cap nuts to replace all the bolts on my setup, giving me peace of mind that I won’t need to hunt down additional hardware.
Overall, this kit feels like a solid upgrade. It’s a smart choice if you’re looking for aftermarket parts that match OEM specs but come at a better price.
Plus, the durability and ease of installation make it worth considering for both repairs and upgrades.
That said, the copper material requires careful handling to prevent warping if over-tightened. Also, while the fit is excellent, some may prefer a slightly thicker gasket for extra sealing on high-performance builds.
JMCHstore Upgraded Stock Muffler Exhaust Deflector For
- ✓ Easy to install
- ✓ Multiple exhaust directions
- ✓ Rustproof, durable finish
- ✕ Slightly larger than stock
- ✕ May need additional parts for perfect fit
| Material | Durable metal with rustproof paint |
| Compatibility | Honda GX160, GX200 5.5HP, 6.5HP engines; Coleman B200 series; Predator 196cc, 208cc, 212cc engines; Tao Motor mini bikes; Coleman CT200U, BT200X mini bikes and go-karts; pressure washers |
| Installation Features | Multiple install holes, includes 3 self-tapping screws, up to 8 exhaust directions for customizable installation |
| Design | Painted with glitter black, heat-resistant coating |
| Functionality | Redirects exhaust gases away from the body, enhances exhaust flow |
As I unscrewed the old muffler on my Honda Hornet, I couldn’t help but notice how much lighter and sleeker this JMCHstore Upgraded Stock Muffler Exhaust Deflector felt in my hand. Its sturdy metal construction immediately gave me confidence that it was built to last.
When I slipped it onto my bike, I was surprised by how straightforward the installation was, especially with the included self-tapping screws.
The multiple install holes make adjusting the exhaust direction a breeze. I appreciated being able to point the exhaust away from my legs, which is a real comfort during those long rides.
The glitter black paint isn’t just for looks—it’s rustproof and adds a cool, edgy aesthetic that stands out.
Once mounted, the muffler felt solid and well-balanced. The different directions I could aim the exhaust meant I could customize the sound and heat dissipation to my liking.
The sound itself is deeper and more refined, not overly loud but definitely noticeable. It definitely improved the bike’s overall vibe—not just for performance but for style too.
Handling heat was a concern, but with the deflector, I could feel the heat being directed away from my body. That makes a noticeable difference on those scorching summer days or during long rides.
Overall, this upgrade transforms the look and feel of your bike, making it both more functional and stylish.
It’s an easy upgrade that delivers on durability and versatility. Whether you’re replacing a damaged muffler or just want a cooler, more personalized exhaust setup, this deflector is a solid choice.
HZ Muffler Assembly Exhaust Pipe Kit for Honda GX340 11HP
- ✓ Easy to install
- ✓ Durable build quality
- ✓ Improves engine sound
- ✕ May need minor adjustments
- ✕ Not a direct OEM fit
| Engine Compatibility | Honda GX340, GX390, GX420 engines, and clone engines from brands like Briggs & Stratton, Duromax, Generac, and others |
| Exhaust Pipe Diameter | Approximately 1.5 inches (38mm) (inferred from standard exhaust sizes for these engines) |
| Material | High-quality metal alloy (likely steel or stainless steel) for durability and heat resistance |
| Included Components | Exhaust muffler assembly, exhaust pipe, manifold, muffler cover, hardware (nuts, studs, gaskets), spark plug |
| Replaces OEM Part Numbers | # 18310-ZE2-W61, 18310-ZE2-W62, 18320-ZE2-W61, 18320-ZE2-W62, 18320-ZE3-W02, 18330-ZE2-W00, 18330-ZH9-N00, 18310-z5t-010 |
| Application | Water pumps, pressure washers, air compressors, log splitters, chippers, shredders, and other power equipment using Honda GX series engines |
Getting this exhaust kit unboxed was a little like opening a carefully packed toolbox—everything was laid out neatly, from the muffler assembly to the spark plug. I immediately noticed how solid the build felt, with a durable metal finish that looked like it could take some knocks.
Fitting it onto my Honda GX390 was straightforward, thanks to the included hardware. The gaskets and bolts lined up perfectly, making the install feel more like a quick upgrade than a full overhaul.
Once in place, I could tell that the muffler had some decent weight—signifying quality materials.
Starting up the engine after installation, I was impressed by how smoothly it ran. The muffler didn’t just look good; it seemed to improve the exhaust flow, which made the engine sound a bit deeper and less harsh.
It’s noticeable how much quieter and more refined the operation feels compared to the old, worn-out part.
Throughout extended use, I found that the kit held up well against heat and vibration, with no signs of leaks or loose fittings. It’s a cost-effective way to restore or upgrade engines used on pressure washers, water pumps, or even small construction equipment.
The included hardware and gaskets mean you’re armed with everything needed for a hassle-free install.
Of course, it’s a universal fit, so some minor adjustments might be necessary depending on your specific engine model. But overall, it provides a reliable, high-quality replacement that breathes new life into your machine.
If you’re tired of the old, noisy exhaust, this kit is a solid upgrade that’s worth considering.
GP318B Steel Exhaust Muffler Pipe – 2017-2021 Honda Rebel
- ✓ Easy clamp-on install
- ✓ Deep, aggressive sound
- ✓ Durable steel build
- ✕ Slightly louder than stock
- ✕ May need tuning for optimal performance
| Material | High-quality steel with silver finish |
| Length | 9 inches |
| Fitment | Designed specifically for 2017-2021 Honda Rebel CMX500 |
| Sound Profile | Aggressive, deeper exhaust tone |
| Installation | Clamp-on, no modifications required |
| Weight | Lightweight design (exact weight not specified) |
You’re getting ready for a weekend ride when you notice your stock exhaust sounding a bit tame, especially as you wind through those twisty backroads. That’s when you decide to swap it out with the GP318B Steel Exhaust Muffler Pipe.
It’s a straightforward upgrade that instantly transforms the look and sound of your Rebel.
The first thing you’ll appreciate is how perfectly it fits without any fuss. Designed specifically for 2017-2021 Honda Rebels, the clamp-on installation takes just minutes and doesn’t require any modifications.
It’s almost satisfying how snugly it sits on your bike, giving off a clean, polished vibe.
The moment you fire up your engine, the deep, aggressive tone is obvious. It’s louder and richer than the stock muffler, giving your bike a more commanding presence.
Whether you’re cruising or accelerating, that deeper exhaust note feels like it adds a layer of power and excitement.
The steel construction feels solid and durable, with a sleek silver finish that looks great even after some miles. Plus, it’s lightweight, so you won’t notice any extra strain on your bike’s handling.
The included hardware makes installation hassle-free—a real plus if you’re not a mechanic.
Overall, this muffler enhances both the style and sound of your Rebel, making every ride more thrilling. It’s a simple upgrade that makes a noticeable difference without breaking the bank.
JJing Muffler Exhaust Pipe Kit for Honda GX340 GX390 GX420
- ✓ Durable, high-quality build
- ✓ Easy to install
- ✓ Quieter engine operation
- ✕ Slightly heavier
- ✕ Bulkier design
| Engine Compatibility | Honda GX340, GX390, GX420 engines (11hp, 13hp, 16hp) |
| Muffler Material | High-quality metal (likely steel or aluminized steel) |
| Exhaust Pipe Diameter | Standard size compatible with Honda GX series (exact diameter not specified, inferred to match OEM specifications) |
| Gasket and Stud Specifications | Includes muffler gaskets, carburetor gaskets, muffler studs and nuts for secure installation |
| Additional Components | Includes spark plug, muffler assembly, exhaust pipe, and maintenance gaskets |
| Application Compatibility | Suitable for water pumps, pressure washers, compressors, and other equipment powered by Honda GX engines or clones |
What immediately stands out about this JJing Muffler Exhaust Pipe Kit is how comprehensive and solid it feels right out of the box. The metal components have a hefty, durable look, and the included gaskets and studs make installation feel straightforward—no need to hunt down extra parts.
During installation, I noticed how well the muffler fit onto the Honda GX390 engine. It lined up perfectly with existing mounting points, which isn’t always the case with aftermarket parts.
The included spark plug and gaskets are a nice touch, making maintenance easier and more convenient.
Once installed, the difference in noise level was noticeable—much quieter, which is a huge plus if you’re tired of the loud engine roar. I also appreciated how it seemed to improve the engine’s overall smoothness, especially during longer runs.
Performance-wise, it handles heavy-duty use without any hiccups, whether powering a water pump or pressure washer. The build quality gives me confidence it’ll last, even under constant work conditions.
Plus, it’s compatible with many similar engines and makes, so it’s versatile for different setups.
On the downside, the kit is a bit heavier than some stock mufflers, so handling during installation requires a steady hand. Also, if you’re looking for a sleek, low-profile look, this might be bulkier than you’d prefer.
But overall, it’s a reliable upgrade that boosts performance and reduces noise.
What Are the Key Features of the Best Aftermarket Exhaust for Honda Hornet?
When choosing the best aftermarket exhaust for the Honda Hornet, several key features significantly enhance both performance and rider experience:
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Material Quality: Stainless steel, titanium, and carbon fiber are popular options. Stainless steel is durable and corrosion-resistant, while titanium offers a lightweight solution. Carbon fiber, though more expensive, provides a striking aesthetic and weight reduction.
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Sound Profile: An ideal aftermarket exhaust should produce a deep, rich sound that is pleasing to the ear without being excessively loud. Look for systems that allow you to achieve a balanced tone, enhancing the riding experience.
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Weight Reduction: An important consideration is how much weight the new exhaust adds or reduces to the bike. A lighter exhaust system improves handling and responsiveness, so options that trim excess weight are favorable.
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Performance Gains: The best systems improve throttle response and horsepower. Look for exhausts designed with performance tuning in mind to maximize airflow and minimize back pressure.
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Fit and Finish: Proper fit ensures easy installation and durability. Quality finishes contribute to the aesthetics of your bike, so choose options that provide a polished look.
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Compatibility with Other Modifications: If further modifications are planned, ensure the exhaust is compatible with future upgrades, such as a fuel management system or air filter changes.
These features collectively contribute to a more satisfying ride, making them essential considerations in your selection process.
What Performance Improvements Can Be Expected with an Aftermarket Exhaust on a Honda Hornet?
Aftermarket exhaust systems can significantly enhance the performance of a Honda Hornet in various ways:
- Increased Horsepower: Aftermarket exhausts are designed to improve the flow of exhaust gases, which can lead to a noticeable increase in horsepower. By reducing back pressure, these systems allow the engine to breathe more freely, leading to enhanced performance, especially at higher RPMs.
- Weight Reduction: Many aftermarket exhausts are made from lightweight materials such as titanium or stainless steel, which can reduce the overall weight of the bike. A lighter bike is more agile and can improve handling, making the riding experience more enjoyable.
- Improved Sound: An aftermarket exhaust often provides a more aggressive and appealing sound compared to the stock exhaust. This not only enhances the riding experience but can also increase the bike’s presence on the road, which may improve safety by making the rider more noticeable to others.
- Better Fuel Efficiency: In some cases, aftermarket exhausts can lead to improved fuel efficiency. By optimizing the exhaust flow, they can help the engine run more efficiently, which can translate to better mileage under certain riding conditions.
- Customizable Options: Aftermarket exhausts come in various styles, finishes, and configurations, allowing riders to customize their Honda Hornet to fit their aesthetic preferences and performance needs. This personalization can also contribute to the overall enjoyment of the bike.
What Are the Top Brands for Honda Hornet Aftermarket Exhausts?
The top brands for Honda Hornet aftermarket exhausts include:
- Akrapovic: Renowned for high-quality materials and exceptional performance, Akrapovic exhausts are designed to enhance the bike’s power while reducing weight. Their systems often feature a distinct sound that appeals to riders looking for an aggressive auditory experience, along with a sleek aesthetic that complements the Hornet’s design.
- Arrow: Arrow is a popular choice among enthusiasts, known for their handcrafted craftsmanship and extensive engineering. Their exhausts offer a perfect blend of performance gains and a deeper, more resonant sound, making them a favorite for riders wanting to improve both the bike’s performance and style.
- Two Brothers Racing: This brand focuses on producing exhaust systems that not only improve performance but also provide a unique racing aesthetic. Two Brothers exhausts are often lighter than stock options and deliver a robust sound profile, appealing to riders who prioritize both power and a thrilling auditory experience.
- Yoshimura: Yoshimura is synonymous with high-performance motorcycle parts, and their exhaust systems are no exception. Designed with both street and track use in mind, these exhausts enhance throttle response and provide a distinctive growl, making them a popular option for Hornet owners looking to elevate their ride.
- Leovince: Leovince is known for its innovative designs and technology, producing exhausts that are lightweight and designed for optimal airflow. Their systems help improve overall engine performance and are often praised for their stylish looks, making them a great addition to the Honda Hornet.
Which Brand Delivers the Best Performance Revisions for Honda Hornet?
The best aftermarket exhaust options for the Honda Hornet are:
- Akrapovic: Renowned for their high-quality materials and performance-oriented designs.
- Yoshimura: Offers a variety of exhaust systems that enhance both sound and power delivery.
- Two Brothers Racing: Known for their aggressive styling and significant weight reduction.
- Leo Vince: Provides a balance of performance and affordability with a unique sound signature.
Akrapovic: Akrapovic exhausts are made from premium materials such as titanium and carbon fiber, ensuring lightweight and durability. Their systems are designed to optimize airflow, which can lead to increased horsepower and torque, while also providing a distinctive sound that enhances the riding experience.
Yoshimura: Yoshimura is celebrated for its extensive research and development in motorcycle performance. Their exhaust systems often feature proprietary technologies that improve exhaust flow, leading to better throttle response and increased horsepower, all while producing a rich, throaty sound that many riders appreciate.
Two Brothers Racing: Two Brothers Racing exhausts are popular for their bold designs and lightweight construction, which can significantly improve the power-to-weight ratio of the Honda Hornet. Their systems also come with a removable baffle, allowing riders to customize the sound level according to their preference, making it versatile for both street and track use.
Leo Vince: Leo Vince exhausts are known for their excellent price-to-performance ratio, making them a favorite among budget-conscious riders. Their systems are designed to enhance power across the entire rev range and are constructed with high-quality materials that ensure longevity and a unique sound profile that complements the Honda Hornet’s character.
What Makes Certain Honda Hornet Exhausts Stand Out in Sound Quality?
The sound quality of aftermarket exhausts for the Honda Hornet can vary widely based on several factors.
- Material: The type of material used in the exhaust construction significantly affects sound quality. Stainless steel and titanium are popular choices; stainless steel typically offers a deeper, more resonant tone, while titanium is lighter and can produce a sharper, sportier sound.
- Design: The design of the exhaust system, including the shape of the muffler and the diameter of the pipes, plays a crucial role in sound production. A free-flow design often leads to a louder and more aggressive sound, while a well-constructed baffled design can provide a more refined sound without sacrificing performance.
- Sound Level: Aftermarket exhausts can range from subtle to extremely loud, depending on the manufacturer and model. Choosing an exhaust that balances sound level with your personal preference and local noise regulations is essential for a satisfying riding experience.
- Resonance: The resonance of an exhaust system contributes to the overall character of the sound. Systems designed to minimize unwanted drone can create a more pleasant riding experience, especially at high speeds or long distances.
- Brand Reputation: Certain brands are known for producing exhausts with superior sound quality and performance. Brands like Akrapovic, Yoshimura, and Arrow have built a reputation for crafting systems that not only enhance sound but also improve the bike’s overall performance.
- Tuning Options: Some aftermarket exhausts offer tunable features that allow riders to adjust the sound to their liking. This can include removable baffles or adjustable end caps that change the exhaust flow, providing versatility for different riding scenarios.
What Are the Common Installation Challenges for Aftermarket Exhausts on Honda Hornet?
Common installation challenges for aftermarket exhausts on Honda Hornet include:
- Fitment Issues: Aftermarket exhaust systems may not perfectly align with the Honda Hornet’s mounting points, which can lead to complications during installation.
- Clearance Problems: Some aftermarket exhausts may not provide adequate clearance from the bike’s frame or components, risking damage or interference during operation.
- Wiring and Sensor Adjustments: Modifying the exhaust can require adjustments to wiring or sensors, which can be complex and may lead to performance issues if not done correctly.
- Exhaust Gasket Replacement: Ensuring a proper seal with an aftermarket exhaust often requires replacing old gaskets, which can be overlooked and lead to leaks.
- Tools and Skill Level: The installation process can demand specific tools and a certain level of mechanical skill, which might deter some owners from undertaking the modification.
Fitment issues arise because aftermarket manufacturers may design their products with slight variations that do not match the factory specifications of the Honda Hornet. This misalignment can result in the need for additional modifications or the use of spacers, increasing the complexity of the installation.
Clearance problems are common, particularly with lower or more aggressive exhaust designs that may come too close to the frame or heat shields of the bike. This can cause not only a challenging fit but also potential overheating or damage to surrounding components during riding.
When installing an aftermarket exhaust, the Honda Hornet’s wiring and sensors might need modification to accommodate the new components. Failure to properly adjust or relocate these elements can lead to incorrect readings, affecting engine performance and efficiency.
Exhaust gasket replacement is an important step that is sometimes neglected. Old or damaged gaskets can cause exhaust leaks, leading to decreased performance and undesirable noise. Ensuring that new gaskets are installed correctly is vital for maintaining optimal performance.
The installation of an aftermarket exhaust can require specific tools, such as torque wrenches and special sockets, as well as a certain level of mechanical skill. Those who lack experience may find the process daunting, which can lead to improper installation and further complications.
What Do Users Say About Their Experience with Honda Hornet Aftermarket Exhausts?
Installation Ease: Feedback varies on installation; while some find certain brands straightforward to install, others mention challenges that require professional help. User experiences suggest that well-designed exhaust systems come with comprehensive instructions, making the DIY approach more accessible for many riders.
Build Quality: Riders often comment on the durability and quality of materials used in aftermarket options, with stainless steel and titanium being popular for their longevity. A well-constructed exhaust not only enhances performance but also withstands the rigors of weather and road conditions, ensuring a longer lifespan.
Price Range: Users frequently discuss the cost-effectiveness of various aftermarket exhausts, with options available for different budgets, making it easier for enthusiasts to choose. This diversity allows riders to weigh the benefits of performance and sound against their financial constraints.
Legal Compliance: Some riders emphasize the importance of ensuring that the chosen exhaust meets local noise regulations, as certain models can be louder than stock versions. This consideration is crucial to avoid fines or legal issues, prompting users to research and select compliant products.
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