Honda Grom Motorcycles are often taken as two-wheeled beasts that annoy you at 3 AM roaring past in your neighborhood.
When sold from the factory, Honda Grom complies with decibel regulations and muffling requirements to prevent noise. But who wants that boring exhaust note and who doesn’t love some extra HP? Putting on an aftermarket exhaust will give a boost to the performance and make your exhaust sound a little sweeter.
We did our expert research and listed some of the best top-rated exhausts for your Honda Grom.
Top 5 Honda Grom Exhausts
Every motorcycle mod project starts with a custom aftermarket exhaust. So here, we have listed some quality exhausts for you that will increase power and make your bike sound better.
1. Akrapovic Racing Exhaust System Honda Grom MSX125
Pros
- High-quality stainless steel
- Carbon fiber parts
- Air-tight quality
- Hydroforming process
- Best performance
- Optimized for maximum tilt angle
Cons
- No cons were found against this product.
We have the top-rated exhaust for the Honda Grom, i.e., the highly-rated exhaust in Europe. Akrapovic racing exhaust is specially designed for racers to provide the best performance.
Its headers and mid-pipe system are made from high-quality stainless steel, and the exhaust springs are pure silicon-shielded stainless steel. All the carbon fiber parts are built in-house. Exhaust pipes are specially manufactured by using the hydroforming process.
Akrapovic racing exhaust gives the best performance throughout the whole RPM range. These exhausts help increase power and torque, making the drive more smooth. The exhaust’s specific layout permits them to reap the maximum output for every particular motorcycle version while extensively decreasing standard weight.
These Exhaust Systems represent a complete step inside the exhaust device tuning system and give an unsurpassed overall performance inside the Honda Grom exhaust world.
Features
- High-quality stainless steel: These exhausts feature high-quality stainless steel headers and a mid-pipe system, plus the exhaust springs are pure silicon-shielded stainless steel.
- Hydroforming Processed: Exhaust pipes are specially manufactured by using the hydroforming process.
- Enhanced Power & Torque: These exhausts help increase power and torque, making the drive more smooth.
This product is highly recommended as it is the top-rated product for Honda grom riders. It has a perfect balance between price and performance. An ideal choice for all the riders, so if you are a Honda grom rider, Akrapovic Racing Exhaust System Honda Grom MSX125 will be your go-to exhaust.
2. Yoshimura Exhaust System For Honda Grom
Pros
- Durable
- Silent working
- Efficient
- Diamond-shaped carbon fiber sleeve
- Stainless steel header and tailpipe
Cons
- No cons were found against this product.
This USA-made RS-2 Exhaust System has a Diamond-shaped carbon fiber sleeve. It’s a full-size engine for your small rocket!
Honda Grom uses RS-2 Race technology in the complete Yoshimura Mini Exhaust racing system. Yoshimura started using every fraction of horsepower from a single cylindrical screen and used this knowledge to design one of the most efficient pipes for the MSX125.
The air intakes and end caps set off the lightweight micro RS-2 system with carbon fiber wheels that adds racing-style torque, power, and torches to the fueled Honda Grom.
It is our top-rated exhaust in the market. Buying cheap exhausts would be a total loss as their structure could be weak, but this exhaust is certainly not something you will risk.
Features
- Silent Working: An enlarged muffler sealing volume and larger core can achieve inaudible operation.
- Steel Body Cone End-Cap: Made from stainless steel Cone End cap. Its header and tailpipe are also made from stainless steel.
- Best Performance: Yoshimura RS-2 Race Exhaust System is known for its best performance technology.
- Diamond-Formed Carbon Fiber Sleeve: A USA-made Yoshimura RS-2 Race Exhaust System has a Diamond-shaped carbon fiber sleeve.
Get your hands on this high-rated exhaust for Honda grom. With the sound of the RS-2 exhaust pipe and enhanced features, you will never frown again. It delivers the best performance with a fancy look. All the small details in this exhaust increase the value of this product.
3. Vance & Hines Hi-Output Hooligan Exhaust System Honda Grom 2017-2020
Pros
- Brushed Finish
- User-friendly
- Durable
- Laser Engraved Logo Badge
- 304 stainless steel structure
- CNC end caps
Cons
- Leakage problems due to weak joints.
Give your Honda grom a traditional appearance, and a deep sound with the whole Vance & Hines Short shots Staggered Exhaust system. The Vance & Hines Hooligan Hi-Output exhaust system adds color to your Grom. The high performance of Vance and Hines brings a bold appearance to Thunder Rumble, with a 304 stainless steel structure and CNC end caps.
The Hooligan Hi-Output brings a thumping sound and a strong exhaust sound to the sound of the MSX125 to increase the fun for riders.
These 1-3/4″ head pipes stepped to a 2-1/8″ muffler features complete insurance warmth shields, and even though those beasts can roar, optionally available quiet baffles are to be had for a mellower sound. The short, instant pipes are completed with a Vance & Hines badge and minimize end treatments for perfect, smooth lines.
Features
- Efficient and Smart Structure: The high performance of Vance and Hines brings a bold appearance to Thunder Rumble, with a 304 stainless steel structure and CNC end caps.
- Silent Working: A larger core and increased muffler sealing volume can achieve quieter operation.
- Laser Engraved Logo Badge
This Vance & Hines Hooligan Hi-Output exhaust system is recommended as it delivers the best performance to your Honda grom. Level up your fun with Vance & Hines exhaust system. This is overall a budget-friendly product. Gives the styles and quality that you are looking for.
4. Hindle EVO Megaphone Exhaust System Honda Grom
Pros
- Excellent performance
- Cost-effective
- Quality fit and finish
- 35 Years of experience
- Stainless Steel Headers & Mid Pipes
- Bungs & bung plugs are available on applicable models.
Cons
- Noisy
The Hindle EVO Megaphone exhaust system is a great way to reduce weight and improve performance without spending much money.
With more than 35 years of experience, Hindle has acquired all the expertise needed to develop high-quality external exhaust systems. The manifold and mid-pipes are made of high-quality thin stainless steel, significantly reducing the weight compared with titanium.
Hindle has long past returned to the drawing forums and created an exhaust that now no longer only sheds weight, as much as 5lbs, from the OEM unit; however, it’s also elegant and contains that mythical Hindle sound.
The unique loudspeaker silencer brings a stylish look to your motorcycle, provides the legendary Hindle exhaust device, and enhances the EVO loudspeaker silencer. The best high-temperature packaging keeps your system in top condition throughout the season without repackaging.
Features
- High-Temperature Shaft Seal: A high-temperature shaft seal has four times the service life of standard fiberglass seals.
- Stainless Steel Headers & Mid Pipes: All stainless steel manifolds and center pipes
- Efficient: High-performance exhaust spring stainless steel core.
- 35 Years of Experience: With more than 35 years of experience, Hindle has acquired all the expertise needed to develop high-quality external exhaust systems.
This Hindle EVO Megaphone Exhaust System is an international frontrunner for performance quality and innovation. It gives your Honda grom style and the performance you are looking for.
5. Leo Vince GP Corsa Exhaust System Honda Grom
Pros
- Efficient
- Manual Settings
- CAD/CAM designed
- Made of AISI stainless steel
- Detachable sound plug
- Cost-effective
Cons
- Too loud!
This exhaust system is specially developed for the 250 to 500 cc motorcycle market. It provides perfect stability among appearance, performance, and value.
With GP Corsa, the driver can reduce a lot of weight by replacing the original exhaust pipe. The inner tube and connecting tube are completely made of stainless steel, and the heat-resistant glass fiber packaging ensures reliability and durability. Available in stainless steel belt combined with vibration-damping rubber pad.
The circular design improves sound quality and enhances the gas flow. The Leo Vince logo is made of alloy, highlighting the design of Italian products to improve the quality of the silencer.
Most importantly, the Leo Vince GP Corsa exhaust system is available at an incredibly reasonable price. This product is a pure definition of better sound and better look.
Features
- Enhanced Horsepower: Increased performance in the whole RPM range.
- Detachable Sound Plug: Removable sound plug-in brings more aggressive sound.
- Tuned for Stock Fuel: Manual Machine-specific settings for the use of standard fuel.
- CAD/CAM design for a perfect fit: CAD/CAM design that fits every size.
- Made of AISI stainless steel
We recommend Leo Vince GP Corsa Exhaust System Honda Grom as it comes in less than 250$. A grom exhaust at this price with all the features is going to be a killer.
Things To Consider Before Buying An Exhaust
If you ever made your mind to change the stock exhaust of your Honda grom to make it sounds even better, then here are some important factors listed below that you should consider before buying a new aftermarket exhaust.
Quality
The quality in everything matters the most. Especially if it’s the exhaust of your Honda grom, a better quality of the exhaust is linked with every aspect of its component, such as a better Style, a better sound, and sometimes a high price point.
But if the quality of the product is good, there is no excuse for not picking it up if you have a good budget.
Sound
The main job of the exhaust is to produce a good sound. Make sure that the sound of exhaust correlates with the quality of the exhaust itself.
The better the quality of the muffler in the exhaust, the better the sound it makes. It would be best if you only changed the exhaust of the Honda Grom, Not the whole exhaust system itself, as it will affect the performance of your Honda grom.
Catalytic converter
Some main parts of the exhausts are its Collector, a middle pipe, and a muffler. Just before the muffler, there lies the catalytic converter.
The catalytic converter is an essential part of the exhaust. It converts the harmful gases that emit from the engine to the lesser harmful gases to save the environment from air pollution. Make sure the exhaust you are going to purchase has a catalytic converter in it.
Price
Once you visit the market to get a new exhaust, you will find the variety of exhaust for Honda grom starting from 60 dollars to almost 900 dollars. Make sure you don’t spend all of your money on an expensive one.
Not all expensive things worth the money. You probably can find a good Honda grom exhaust system at a reasonable price point.
Style
The style element is as important for the exhaust as it is meant to be loud and should have a mean look to it. The style of exhaust should match the look of your Honda grom. These can be a bit expensive, but if they contain a good style element, you should go for it as it is worth the money.
FAQs
What are some best exhausts for Honda grom?
There are various exhausts specifically for Honda grom. It is a very popular bike in various countries; we have mentioned some of the best aftermarket exhaust you can install in your Honda Grom. Akrapovic Racing Exhaust System Honda Grom MSX125 is on the top of our list to deliver the best performance.
Can I install the exhaust of the Honda grom by myself?
Of course, installing the exhaust in your Honda grom is a very easy job to do. The Good exhaust kits usually come with the instruction manual on how to do so. But it’s a time-taking task. So it would be best if you had the proper tools for it.
Most people prefer the mechanics to get the job done, but you should go for it if you’re willing to save some money.
Do aftermarket exhausts improve the performance of the Honda grom?
If you’re looking for a performance upgrade, the exhaust is not the best way to go, but it helps change the sound of your Honda grom. The complete exhaust system does help the engine horsepower, but they are barely noticeable.
However, you should feel the noticeable difference in performance due to increased airflow with the help of a new exhaust system.
Does the new exhaust system help in changing the sound of the Honda Grom?
The main purpose of the exhaust is to get a better sound from your Honda grom. If you only want a better sound, you should only consider changing the muffler of your stock exhaust system; that’s because if you went for a whole new exhaust system, you might have to alter changes to open headers of your Honda grom.
What material for my Honda grom exhaust should I choose, aluminum or stainless steel?
The stock exhaust system of the Honda grom usually comes with an aluminum body, as they are cheaper to make than stainless steel most manufacturers prefer. The aluminum usually gets rusty after time. Most of the time, manufacturers offer a lesser warranty on aluminum.
Performance-wise there is no difference between aluminum and stainless steel. Therefore if you consider buying an aftermarket exhaust system, you should go for stainless steel.
Do louder exhausts in the Honda grom use more fuel?
The louder exhaust sound does not have anything to do with fuel because the engine produces the sound by the combustion to generate power; the muffler is the one that reduces that noise in
The loud exhausts only alter the noise to lesser noise, and it does not require extra fuel.
Does aftermarket exhaust harm the engine of the Honda grom?
The stock exhaust of the Honda grom usually consists of a catalytic converter that is used to convert harmful gases produced by the engine to lesser harmful gases to save the environment. It is usually located in the middle pipe. If you want a better sound, you should only get a new muffler that sits after the middle pipe.
If you change the middle pipe that does not contain catalytic the converter, it will harm the engine performance and the environment.
Conclusion
A good exhaust system may even help in increasing your Honda grom mileage. When the exhaust’s flow is good, the air in the combustion leaves fast, creating room for new combustion, creating more power. Conclusively, the aftermarket exhaust system has an essential role in evolving the looks of the Honda grom and its engine sound.
