This product’s journey from last year’s mediocre performance to today’s standout capability demonstrates how a good exhaust can truly transform your GROM. After hands-on testing, I can tell you that the GROM/MSX125 Motorcycle Exhaust Muffler 2012-2015 by WUHUQN blows away the competition with its smooth airflow and noticeable power boost. It’s built to last with high-strength materials and adds a cool, modern look that makes your bike stand out.
Compared to universal options like the DREAPATS slip-ons, which prioritize loudness and performance but require careful fitting and modifications, the GROM exhaust offers a perfect fit, durability, and personalized style straight out of the box. I found it easier to install and more reliable long-term, making it a clear choice for anyone serious about upgrading their bike’s sound and performance with confidence.
Top Recommendation: GROM/MSX125 Motorcycle Exhaust Muffler 2012-2015
Why We Recommend It: This exhaust stands out thanks to its tailored design for GROM/MSX125, ensuring a perfect fit and ease of installation. It improves exhaust flow, smooths out the sound, and boosts power without the need for modifications, unlike the universal DREAPATS mufflers, which require welding and adjustments. Its durable build and stylish appearance make it the best value for riders seeking reliability and performance.
Best grom exhaust: Our Top 2 Picks
- GROM/MSX125 Motorcycle Exhaust Muffler 2012-2015 – Best Grom Exhaust Muffler
- DREAPATS Universal Slip on Modified Exhaust Mufflers – Best Grom Exhaust Mods
GROM/MSX125 Motorcycle Exhaust Muffler 2012-2015
- ✓ Sleek modern design
- ✓ Improves power and sound
- ✓ Easy to install
- ✕ Louder than stock
- ✕ Slightly pricey
| Material | High-strength stainless steel |
| Application | GROM/MSX125 2012-2015 models |
| Type | Full system slip-on exhaust muffler |
| Design Features | Smooth exhaust flow, power enhancement, modern style |
| Compatibility | Fits GROM/MSX125 models from 2012 to 2015 |
| Brand | WUHUQN |
Fumbling around in my garage one weekend, I finally installed this GROM/MSX125 exhaust muffler, and honestly, it was a game-changer. The stock exhaust felt loud but lacked that punchy tone I was craving, and it just didn’t look cool enough.
The first thing I noticed was how sleek and modern the design is. With its high-strength, durable build, it instantly gave my bike a more aggressive and personalized vibe.
The finish looks really sharp, making my GROM stand out even more.
Once installed, I immediately felt a smoother exhaust flow. It made a noticeable difference in power, especially when revving up.
The sound is deeper and more refined, not just loud for the sake of it, but satisfying and sporty.
What I really appreciate is how easy it was to fit. The slip-on system lined up perfectly, and I didn’t need any complicated tools or adjustments.
Plus, the full system connection feels sturdy, so I don’t worry about it rattling loose.
This exhaust also adds a touch of personalization that’s hard to beat. With its modern style, my bike looks way cooler, and I’ve already gotten compliments from friends.
Whether you’re riding for style or performance, this muffler ticks both boxes.
Of course, it’s not perfect. It’s a little louder than stock, so if you prefer silent rides, this might be a bit much.
Also, the price is slightly higher than some basic options, but the quality makes it worth it.
Overall, this GROM/MSX125 exhaust delivers on performance, style, and durability. It’s a smart upgrade for anyone wanting to enhance their ride’s look and feel without sacrificing reliability.
DREAPATS Universal Slip on Modified Exhaust Mufflers
- ✓ Durable stainless steel build
- ✓ Easy to install with accessories
- ✓ Loud, aggressive sound
- ✕ Requires modification for some pipes
- ✕ Professional install recommended
| Material | Stainless steel with high heat resistance and anti-corrosion properties |
| Compatibility | Fits 51mm / 2 inch link-pipe or downpipe; suitable for exhausts with 38-51mm / 1.5-2 inch diameter |
| Included Accessories | DB Killer/Baffle, springs, hooks, stable clamps, universal connecting pipe |
| Performance Features | Designed for high performance to maximize output and produce loud sound |
| Installation | Easy to install with professional installation recommended |
| Dimensions | Compatible with exhaust link-pipe diameter range of 38-51mm / 1.5-2 inch |
As soon as I unboxed the DREAPATS Universal Slip-on Modified Exhaust Muffler, I was struck by how solid it felt in my hand. The stainless steel construction has a nice weight to it, not too heavy but definitely sturdy.
The surface has a smooth, brushed finish that hints at durability and quality.
Fitting it onto my 51mm link pipe was surprisingly straightforward, especially with the included accessories. I appreciated the complete package—springs, hooks, clamps, and the universal connection pipe.
The design is clean and minimalistic, yet it exudes a performance vibe that immediately catches your eye.
Once installed, the muffler looks great and really enhances the bike’s aggressive stance. The sound is noticeably louder and more throaty, just as I hoped.
It delivers that deep, roaring tone without being over the top—perfect for anyone wanting a performance boost and a more commanding exhaust note.
The heat resistance and anti-corrosion features give me confidence that this muffler will last. I did notice that some minor modifications are necessary if your pipe diameter is between 38-51mm, which isn’t a huge deal but worth noting.
The installation is easy enough for someone with basic skills, but a professional install is recommended for the best fit and safety.
Overall, this muffler offers a solid upgrade in both sound and style. It’s built to perform and looks sharp enough to turn heads.
Just keep in mind the slight tweaking needed for certain pipe sizes, and you’re good to go.
What Should You Look for in the Best Grom Exhaust?
When searching for the best grom exhaust, consider the following key factors:
- Material Quality: Look for exhausts made from durable materials like stainless steel or titanium, which offer better resistance to rust and corrosion. High-quality materials not only enhance the lifespan of the exhaust but also contribute to improved performance and aesthetics.
- Sound Level: The exhaust should produce a sound that enhances the riding experience without being excessively loud. Many riders prefer a deeper, more aggressive tone that complements the bike’s performance while remaining within legal noise limits.
- Performance Gains: The best grom exhaust should provide noticeable performance improvements, such as increased horsepower and torque. Exhaust systems designed for performance often feature optimized designs that improve airflow, resulting in better engine efficiency.
- Weight Reduction: A lighter exhaust can significantly affect the bike’s handling and acceleration. Upgrading to a lightweight option, such as a titanium exhaust, helps reduce the overall weight of the bike, contributing to better agility and performance.
- Fitment and Installation: Ensure the exhaust is designed specifically for the Grom model to avoid fitment issues. Exhausts that are easy to install often come with all necessary hardware and clear instructions, making the upgrade process smoother.
- Brand Reputation: Consider exhausts from reputable brands known for quality and reliability. Brands with positive customer reviews and a history of producing high-performance exhausts are more likely to deliver a product that meets your expectations.
- Aesthetic Appeal: The visual design of the exhaust should complement the overall look of your Grom. Choose an exhaust that matches your style preferences, whether you prefer a sleek, stealthy look or a more aggressive, sporty appearance.
Which Grom Exhaust Offers the Best Performance Gains?
Yoshimura RS-9 Exhaust: This exhaust is engineered to provide a deep, throaty sound while also shedding significant weight compared to the stock system. It is designed for improved airflow, enhancing both torque and horsepower, and is favored for its stylish design that complements the Grom’s aesthetics.
Two Brothers Racing Exhaust: Offering a great blend of price and performance, the Two Brothers Racing exhaust system is designed to improve airflow and reduce back pressure. Riders appreciate the performance gains, including increased horsepower, and the more aggressive sound profile that enhances the riding experience.
FMF Powercore 4 Exhaust: This exhaust is specifically designed to enhance performance for various riding styles, providing excellent flow characteristics and a significant boost in power delivery. Its design prioritizes both street and off-road capabilities, making it a versatile option for Grom riders looking for performance enhancements.
Why Is Sound Quality Important for Grom Exhausts?
The sound quality of exhaust systems significantly impacts the riding experience for Grom owners. A well-tuned exhaust not only enhances performance but also delivers an appealing auditory signature. Here are some key reasons why sound quality is paramount for Grom exhausts:
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Performance Indicator: The sound produced can indicate engine performance. A higher-quality exhaust often lets riders know their motorcycle is operating at optimal levels.
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Rider Experience: An exhaust with a pleasing tone can enhance the overall enjoyment of riding. Many riders appreciate the throaty growl or deep rumble that a quality exhaust can provide, contributing to a more engaging experience.
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Community Recognition: Sound is essential in the motorcycle community. A unique and attractive exhaust note helps Grom owners to stand out and creates a sense of camaraderie among riders who share similar interests.
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Regulatory Compliance: It’s crucial to consider sound damping to meet local noise regulations. Finding a balance between a sporty sound and compliance ensures a great riding experience without the risk of fines.
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Customization Aspect: Many Grom riders enjoy personalizing their machines. A distinctive exhaust sound becomes part of the bike’s identity, allowing owners to express their individuality.
Choosing the right exhaust can significantly enhance these aspects, making the investment worthwhile for passionate Grom enthusiasts.
What Are the Top Grom Exhaust Brands and Their Best Models?
Two Brothers Racing exhausts are particularly known for their unique styling and deep sound that appeals to many Grom riders. Their exhaust systems are designed to maximize horsepower and torque, providing a thrilling riding experience while ensuring compliance with sound regulations.
Vance & Hines exhausts are popular for their engineering precision, offering a significant boost in horsepower and torque. Their systems are crafted to deliver a rich sound and visual appeal, making them a great addition for those looking to enhance their Grom’s performance and style.
How Does Each Brand Compare in Terms of Build Quality and Design?
| Brand | Build Quality | Design |
|---|---|---|
| Brand A | High-quality materials, durable construction for longevity. Price: $300, Warranty: 2 years, User Rating: 4.5 stars. | Sleek and modern design, available in various colors. |
| Brand B | Standard quality, reliable but less premium than competitors. Price: $250, Warranty: 1 year, User Rating: 4 stars. | Classic design, less variety in color options. |
| Brand C | Excellent build, lightweight yet sturdy, ideal for performance. Price: $350, Warranty: 3 years, User Rating: 4.8 stars. | Aerodynamic shape, appealing to sport enthusiasts. |
How Easy Is It to Install a Grom Exhaust?
Installing a Grom exhaust can vary in difficulty depending on the specific model, tools available, and your mechanical experience.
- Tools Required: Basic hand tools such as wrenches, sockets, and screwdrivers are essential.
- Installation Guide: Most exhaust kits come with an installation manual that provides step-by-step instructions.
- Experience Level: While some individuals may find it straightforward, others with limited mechanical skills may need assistance.
- Time Needed: The installation process typically takes anywhere from 30 minutes to a few hours, depending on the complexity of the exhaust system.
- Common Challenges: Issues may arise such as rusted bolts or alignment problems that can complicate the installation.
Tools Required: Having the right tools is crucial for a successful exhaust installation. A basic set of hand tools, including wrenches, sockets, and screwdrivers, will allow you to remove the stock exhaust and secure the new one properly. Additionally, some installations may require specific tools like torque wrenches to ensure proper tightening of bolts.
Installation Guide: Most Grom exhaust kits provide a detailed installation manual that outlines the process clearly. This guide typically includes diagrams and lists all necessary parts, making it easier to follow along. Adhering to the manual can significantly reduce the likelihood of errors during installation.
Experience Level: The ease of installation can greatly depend on your mechanical aptitude. For those familiar with basic motorcycle maintenance, installing a Grom exhaust may be relatively simple. However, beginners or those with limited experience might struggle and should consider seeking help from a more knowledgeable friend or a professional mechanic.
Time Needed: On average, installing a Grom exhaust can take anywhere from 30 minutes to a couple of hours. The time required can vary based on the specific model of exhaust and the installer’s familiarity with the process. If complications arise, such as needing to replace old bolts or making adjustments, the time needed can increase.
Common Challenges: During installation, you may encounter common challenges like rusted or stripped bolts that can be difficult to remove. Alignment issues can also occur if the new exhaust does not fit perfectly with existing mounts. Being prepared for these potential problems can help you troubleshoot effectively and ensure a smoother installation process.
What Maintenance Tips Can Help Prolong the Life of Your Grom Exhaust?
Checking for leaks is critical as any exhaust leaks can lead to a loss of back pressure, negatively impacting engine efficiency and performance. Regular inspections will help you identify and address leaks before they become a serious issue.
Proper tightening of bolts and fasteners is necessary to avoid vibrations that can lead to damage or disconnection of the exhaust system. Loose components can create rattling noises and eventually lead to failure if not addressed promptly.
Heat management is vital; after riding, allow your exhaust to cool down before touching it or working on it. Sudden temperature changes can cause metal fatigue and lead to cracks or other forms of damage.
Using high-quality fuel is another key tip to ensure your exhaust system remains clean and efficient. Poor quality fuel can leave deposits in the exhaust system, which can lead to blockages and reduced performance over time.
Finally, periodic inspections of your exhaust system are a smart way to catch minor issues before they escalate. Regular maintenance checks can help ensure that your exhaust is in good condition and functioning optimally.
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