---
title: "Top 12 Best Exhaust for Honda Grom That Boost Power Fast"
url: https://midwestmotorcycletraining.com/best-exhaust-for-honda-grom/
date: 2026-11-03
modified: 2026-11-03
lang: en
author: "admin@midwestmotorcycletraining.com"
description: "Best exhaust for Honda Grom review with top picks that boost power fast. Compare features and find the perfect upgrade for improved performance and sound."
categories:
  - "Our Picks"
word_count: 5109
---

# Top 12 Best Exhaust for Honda Grom That Boost Power Fast

Cheap or poorly chosen exhausts can cause more noise than performance and often lead to installation headaches on a Honda Grom. Riders looking for the best exhaust for Honda Grom know the frustration of dealing with fitment that doesn’t align properly or mufflers that rattle loose after a few rides.

It’s common to see exhausts that either block airflow or add unwanted weight, making the bike harder to handle.

A good exhaust for the Honda Grom usually sticks to lightweight materials like stainless steel or titanium to avoid unnecessary heft. Correct sizing matters too: too large and it can reduce torque, too small and it chokes the engine.

The exhaust should improve airflow while still fitting the compact frame precisely, plus offer easy access for cleaning or replacing internal components like packing material without the need for special tools.

## Need a Quick Check?

| Image | Product | Price |
| ----- | ------- | ----- |
| Our Top Picks 1![](https://m.media-amazon.com/images/I/71+R4VDjPqL._AC_SY550_.jpg) | Grom 125 Carbon Exhaust | [Check Price](https://www.amazon.com/2013-2026-Exhaust-System-Muffler-Carbon/dp/B0HKKZBLNR/?tag=midwestmotorcycletraining-20) |
| Our Top Picks 2![](https://m.media-amazon.com/images/I/713aTmO4xTL._AC_SX425_.jpg) | Carbon Fiber Muffler | [Check Price](https://www.amazon.com/PACEWALKER-Motorcycle-Motorcycles-Scooters-Removable/dp/B074CVHHGC/?tag=midwestmotorcycletraining-20) |
| Our Top Picks 3![](https://m.media-amazon.com/images/I/61eT1XleFpL._AC_SY606_.jpg) | Grom 125 Gloss Black Exhaust | [Check Price](https://www.amazon.com/2013-2026-Exhaust-System-Slip-Muffler/dp/B0HKDL8S2F/?tag=midwestmotorcycletraining-20) |

## Our Selected Top 12 Exhaust for Honda Grom Worth Buying
This list features a variety of exhaust systems designed specifically for the Honda Grom, highlighting their performance, suitability for different riders, and key advantages and disadvantages. Each review provides clear insights to help choose the best option based on individual needs and riding style.

### 1. Grom 125 Full Exhaust System Slip-On Muffler Carbon Fiber
[![](https://m.media-amazon.com/images/I/71+R4VDjPqL._AC_SY550_.jpg)](https://www.amazon.com/2013-2026-Exhaust-System-Muffler-Carbon/dp/B0HKKZBLNR/?tag=midwestmotorcycletraining-20)Upgrading a Honda Grom 125 with a full exhaust system can seriously change how the bike feels and sounds. Perfect for riders wanting a sharper look combined with a meaningful performance boost, this kit takes care of everything from the header pipe to the muffler, making the swap straightforward and ensuring a precise fit for the Grom.

Installation comes with all the mounting hardware needed, so you won’t have to hunt for extra parts. The carbon fiber style muffler adds a sporty vibe, keeping your bike looking aggressive without adding extra weight. Daily rides show how the full system sits well on the frame, delivering a smooth setup that matches the bike’s small engine size.

Performance steps up noticeably with this exhaust, trading the worn-out stock system for something lighter and focused on better flow. Build quality feels solid, especially around the muffler's carbon fiber finish that holds up well.

Common feedback points out the improved sound and style, although some might notice it’s a bit louder than the original.

This exhaust setup gets praised for turning heads with its aggressive carbon fiber look and makes a noticeable difference in performance and weight. The most common point of complaint is that it can be louder than the original exhaust, which might not suit riders looking for quieter rides.

Anyone wanting to boost their Grom’s appearance and performance without fussing over parts during installation will appreciate this system. Riders who prioritize a quieter ride or need additional heat protection might want to explore other options.

#### Pros

- Complete full exhaust kit included
- Carbon fiber style muffler looks sporty
- Designed specifically for the Grom 125
- Lightweight, improving bike handling

#### Cons

- Sound may be louder than stock system
- Nothing mentioned about heat shielding

| Specification | Details |
| ------------- | ------- |
| Brand Name | Generic |
| Manufacturer | Bobcatz |
| Manufacturer Part Number | Hg125-cfsys-001 |
| Model Number | Exh-grom125-cf |
| Included Components | Muffler |
[Check Price](https://www.amazon.com/2013-2026-Exhaust-System-Muffler-Carbon/dp/B0HKKZBLNR/?tag=midwestmotorcycletraining-20)
### 2. Motorcycle Carbon Fiber Exhaust Muffler
[![](https://m.media-amazon.com/images/I/713aTmO4xTL._AC_SX425_.jpg)](https://www.amazon.com/PACEWALKER-Motorcycle-Motorcycles-Scooters-Removable/dp/B074CVHHGC/?tag=midwestmotorcycletraining-20)A 365mm slip-on exhaust muffler made with aluminum and stainless steel fits street and sport motorcycles or scooters with 38-51mm diameter pipes. Its removable DB killer offers control over the sound, making it ideal for riders who want a deeper, throaty note without going too loud.

Installation is fairly straightforward because of the 51mm slip-on connection, and the aluminum body keeps things lightweight for daily rides. The removable DB killer adds versatility, letting you switch the exhaust note depending on where you ride. This setup works well on a Honda Grom, where fit and sound balance matter for city and weekend rides.

The exhaust delivers a rich, deep sound that isn’t overpowering but adds character to the bike. The aluminum body combined with stainless steel connectors offers resilience against heat and wear. Most users appreciate the sound tone and ease of installation, while some note that it might not dramatically boost performance or power since it is more about style and sound.

The strongest praise for this exhaust is its deep and mellow sound that adds personality without overwhelming noise. A common drawback is that it doesn't boost bike performance much, focusing more on style and sound modification than power gains.

Riders who want better sound with a lightweight and adaptable muffler will appreciate this. Those looking for a major power increase or exact factory fit might want to consider aftermarket options specifically tuned for performance gains on the Honda Grom.

#### Pros

- Deep, throaty sound without being too loud
- Lightweight aluminum body with stainless steel parts
- Removable DB killer for sound customization
- Universal fit for various motorcycles and scooters

#### Cons

- Does not significantly increase engine power
- May not perfectly fit exhausts outside the 38-51mm range

| Specification | Details |
| ------------- | ------- |
| The overall length measures 365mmConnection | 51mm Slip-on type |
| Material | Aluminum & Stainless Steel |
| Applicable Models | Universal fits 38-51mm diameter exhaust pipes |
| Includes | Housing with removable DB killer |
[Check Price](https://www.amazon.com/PACEWALKER-Motorcycle-Motorcycles-Scooters-Removable/dp/B074CVHHGC/?tag=midwestmotorcycletraining-20)
### 3. Grom 125 Full Exhaust System Slip-On Muffler Gloss Black
[![](https://m.media-amazon.com/images/I/61eT1XleFpL._AC_SY606_.jpg)](https://www.amazon.com/2013-2026-Exhaust-System-Slip-Muffler/dp/B0HKDL8S2F/?tag=midwestmotorcycletraining-20)Riders looking for a full exhaust upgrade on their Honda Grom 125 will appreciate a system designed for a snug fit and a striking black finish. The standout feature here is its complete replacement setup, including every pipe from header to muffler, making it ideal for those wanting a thorough change with a bold look.

Installation is straightforward thanks to the included hardware kit, so you don't need extra parts or trips to the store. The slip-on muffler and all the piping parts fit precisely on the Grom 125, ensuring the entire system bolts right on without modifications. Day-to-day, the black muffler keeps its appearance sharp and the exhaust’s size is just right, not adding extra bulk.

Performance-wise, this exhaust does a solid job replacing stock parts with a full header and mid pipe setup. It’s built well enough to feel like a proper upgrade rather than a cheap add-on. Quiet enough for daily rides but with an aggressive sound profile, the build takes care of fit and function.

The biggest praise is for its exact fit and complete kit, while some mention the weight feels a bit heavier than expected.

Reviews praise the exhaust’s full coverage upgrade and precise fit, making installation easy without needing extra parts. A common downside is the added weight, which some find heavier than the original exhaust setup.

This exhaust suits riders who want a full replacement system with a bold look, fitting their Honda Grom 125 exactly. Those seeking a lighter or quieter exhaust might prefer to consider other options better tailored for those needs.

#### Pros
- Complete exhaust system replacing all stock pipes
- Bold gloss black muffler adds aggressive style
- All mounting hardware included for easy installation
- Designed specifically for Honda Grom 125 fit
#### Cons
- Muffler adds noticeable weight compared to stock
- Sound may be louder than some riders want
| Specification | Details |
| ------------- | ------- |
| Brand Name | Generic |
| Manufacturer | Bobcatz |
| Manufacturer Part Number | Hg125-exh-blk-kit |
| Model Number | Grom125-exh-blk |
| Included Components | Muffler |
| Number of Items | 1 |
[Check Price](https://www.amazon.com/2013-2026-Exhaust-System-Slip-Muffler/dp/B0HKDL8S2F/?tag=midwestmotorcycletraining-20)
### 4. Grom 125 Full Exhaust System Slip-On Muffler Gloss Black
[![](https://m.media-amazon.com/images/I/61-5KPTCiTL._AC_SY606_.jpg)](https://www.amazon.com/2013-2026-Exhaust-System-Slip-Muffler/dp/B0HM273324/?tag=midwestmotorcycletraining-20)Engineered exclusively for the Grom 125cc, this full exhaust system slip-on muffler stands out by providing a precise fit and a sharp black finish that adds an aggressive look. It suits riders wanting an easy upgrade that boosts both style and sound without complicated work.

Installation is straightforward thanks to its slip-on design, letting you bolt it on without any special tools or modifications. Every necessary part comes included, such as the muffler, header and mid pipes, mounting hardware, and even a logo badge, making day-to-day ownership simple and reliable.

The exhaust flow improves noticeably, giving the bike a louder, more defined sound that makes the Grom stand out on the street. It’s solidly put together with quality components, although some mention the sound might be too loud for quieter neighborhoods.

The build quality earns high marks, but the increased noise level gets mixed reactions.

The system is praised for improving the exhaust note and fitting securely without issues during installation. However, many find the louder sound level less suitable in quiet neighborhoods, which is the most common drawback mentioned.

Riders seeking a sound upgrade and a clean black look will appreciate this setup. Those wanting a quieter ride or a multi-model option might want to explore alternatives better suited to those needs.

#### Pros

- Specifically made for Grom 125cc for perfect fit
- Simple bolt-on installation with no extra tools
- The black finish gives the product a bold, aggressive look
Clear, louder exhaust note after upgrade

#### Cons

- Exhaust sound may be too loud for some areas
- Only compatible with Grom 125cc models

| Specification | Details |
| ------------- | ------- |
| Brand Name | Generic |
| Manufacturer | Bobcatz |
| Included Components | Muffler, header pipe, mid pipe, mounting strap, 2 springs, 2 U-clips, mounting bolt with washers/nut, mounting bracket, exhaust adapter/tip, logo badge |
| Model Number | Soe-grom125-blk |
| Manufacturer Part Number | Grom-125-slipex-blk |
[Check Price](https://www.amazon.com/2013-2026-Exhaust-System-Slip-Muffler/dp/B0HM273324/?tag=midwestmotorcycletraining-20)
### 5. Motorcycle Stainless Steel Exhaust Muffler for Mini Bikes
[![](https://m.media-amazon.com/images/I/61uGck96YlL._AC_SX425_.jpg)](https://www.amazon.com/HTBCCHB-Stainless-Steel-Exhaust-Applications/dp/B0F9NY7KV1/?tag=midwestmotorcycletraining-20)HTBCCHB Stainless Steel Exhaust Muffler is designed for mini bikes and small trail motorcycles like the Honda Grom. It stands out for offering a straightforward fit with quality metal construction, suitable for stock or big bore setups.

This exhaust is ideal for riders looking to upgrade sound and style without complexity.

Installation requires confirming the exhaust muffler assembly size to ensure compatibility. Thanks to its high-quality stainless steel, it promises durability and resistance to wear. Daily rides bring a noticeable difference in exhaust sound, giving your bike a deeper, more aggressive tone without extra fuss.

Cleaning is simple due to the metal finish, and the fit feels snug and custom-tailored to common mini bike models.

Performance-wise, the muffler delivers a solid exhaust note that many find satisfying for the Grom’s size and power. The build is sturdy, made to last through daily riding conditions.

The best feedback highlights the rich sound it provides, while the only significant drawback is the limited warranty of just one month. Compatibility checks before purchase are crucial to avoid fit issues.

The exhaust muffler is praised mainly for its quality sound and durable stainless steel construction. Users often mention the importance of double-checking the assembly size to avoid fit problems. The 1-month warranty is short and may concern those seeking longer coverage.

Riders wanting a simple, sound-focused exhaust upgrade for their Honda Grom or similar mini bikes will appreciate this option. Those needing extensive warranty support or unsure about compatibility might want to explore other alternatives.

#### Pros

- High-quality stainless steel material
- Fits stock and big bore mini bikes
- Improves exhaust sound noticeably
- Precise installation for common mini bike models

#### Cons

- Short 1-month warranty period
- Requires size confirmation before purchase

| Specification | Details |
| ------------- | ------- |
| Brand Name | HTBCCHB |
| Manufacturer Part Number | Stainless Steel Exhaust |
| Included Components | 1 x Stainless Steel Exhaust |
| Model Number | dk Stainless Steel Exhaust |
| Manufacturer Warranty Description | 1 month |
[Check Price](https://www.amazon.com/HTBCCHB-Stainless-Steel-Exhaust-Applications/dp/B0F9NY7KV1/?tag=midwestmotorcycletraining-20)
### 6. Motorcycle Carbon Fiber Slip-On Muffler
[![](https://m.media-amazon.com/images/I/71Ke8xwBEhL._AC_SX425_.jpg)](https://www.amazon.com/Motorcycle-Exhaust-Fiber-Unversal-Silencers-Mufflers/dp/B08YF9Q4TK/?tag=midwestmotorcycletraining-20)Riding with a carbon fiber slip-on muffler adds a sporty feel and reduces some weight without hassle. Ideal for anyone upgrading a Honda Grom who wants a clean look and noticeable sound boost, it fits a range of bikes and pipe sizes.

Its biggest strength lies in combining lightweight materials with a solid, rust-resistant design.

Installation is straightforward thanks to a welded stainless steel adapter that fits pipe diameters from 38mm to 51mm, making it versatile across different bikes. Daily rides benefit from the removable DB killer, allowing sound adjustment depending on preference or setting.

The carbon fiber finish keeps the muffler looking good without extra weight or corrosion concerns.

Power delivery feels more responsive thanks to reduced weight and freer exhaust flow. Construction uses aluminum and stainless steel to resist rust and corrosion well. The main praise focuses on its durable build and adaptable fit.

A common complaint comes from those seeking a louder sound who find the DB killer necessary to remove, which might not suit every rider.

Many enjoy its sturdy, corrosion-resistant build paired with lightweight materials, making it suitable for daily rides and varied setups. Some note the muffler is quieter than expected unless the DB killer is removed, which might require occasional adjustments.

Riders looking for a versatile slip-on with good materials and adjustable sound will find this muffler fits well. Those after a louder or more race-oriented exhaust sound might consider other options without a removable DB killer.

#### Pros

- Lightweight carbon fiber finish reduces overall weight
- Fits multiple bike types with versatile adapter
- Removable DB killer adjusts sound level
- Durable against corrosion and rust

#### Cons

- Sound might be too quiet with DB killer installed
- Only one muffler included, no full exhaust system

| Specification | Details |
| ------------- | ------- |
| Material | Aluminum + Stainless steel |
| Fit Pipe Diameter | 38 mm to 51 mm |
| Manufacturer | LEIMO |
| Model Number | CF-SO-UNI-365 |
| Number of Items | 1 |
| Brand Name | LEIMO KPARTS |
[Check Price](https://www.amazon.com/Motorcycle-Exhaust-Fiber-Unversal-Silencers-Mufflers/dp/B08YF9Q4TK/?tag=midwestmotorcycletraining-20)
### 7. Grom MSX125 Low Mount Side Exhaust Pipe
[![](https://m.media-amazon.com/images/I/610gX9HaBBL._AC_SX679_.jpg)](https://www.amazon.com/Mount-Side-Exhaust-Replacement-MSX125/dp/B0HDZ3CNPH/?tag=midwestmotorcycletraining-20)Perfect for Honda Grom MSX125 models from 2013 to 2023, this low mount side exhaust pipe stands out for its exact fit and easy installation. It suits riders looking for a reliable replacement that matches their bike’s original mounting points without fuss.

Installation is straightforward thanks to design tailored to the Grom’s mounting dimensions. The metal material feels solid and the fine surface treatment hints at decent durability for daily outdoor riding. Its overall shape fits well within the bike’s reserved space, making it convenient to swap out without modifications or extra parts.

The exhaust performs as expected, maintaining a stable connection to the bike's system which reduces worries about loosening over time. Its metal build is crafted with uniform forming and neat edges, matching the bike’s exterior nicely.

Praised for fitting like a glove, some mention it could benefit from further noise reduction in daily city use.

The exhaust is widely appreciated for its perfect fit and solid build quality, offering a straightforward replacement without hassle. On the downside, some users note that it tends to be louder than expected, which might not suit all riding environments.

Anyone needing a direct-fit exhaust replacement with decent durability will find this pipe suitable. Riders searching for something quieter or with additional features might want to consider other options tailored for sound reduction or multi-piece systems.

#### Pros

- Fits Honda Grom MSX125 models precisely
- Easy to install without extra parts
- Solid metal construction
- Clean, consistent appearance

#### Cons

- Could be quieter for city riding
- Only comes as a single pipe

| Specification | Details |
| ------------- | ------- |
| Fitment Info | Honda Grom MSX125 2013-2023, matches standard mounting points |
| Material | Metal with fine surface treatment |
| Installation | Easy, designed for vehicle specifications |
| Number of Items | 1 |
| Model Number | CCBXDEXAA-8053BA56 |
[Check Price](https://www.amazon.com/Mount-Side-Exhaust-Replacement-MSX125/dp/B0HDZ3CNPH/?tag=midwestmotorcycletraining-20)
### 8. Honda Grom 125 Full Exhaust System Slip-On Muffler Silver
[![](https://m.media-amazon.com/images/I/61tA2mEtW5L._AC_SY606_.jpg)](https://www.amazon.com/Exhaust-System-Slip-Muffler-Silver/dp/B0HP73XSPY/?tag=midwestmotorcycletraining-20)Polished silver metal and a full header-back design give an aggressive, sporty look that suits Grom 125 riders wanting a noticeable upgrade. Its slip-on style stands out as the key benefit, letting you install it quickly and securely without complicated work or extra tools.

Installation goes smoothly thanks to the bolt-on slip-on design, fitting model years 2013 through 2026 perfectly. Daily riding feels lighter because the exhaust system reduces overall bike weight compared to stock, helping make handling sharper.

The package comes with everything needed: DB killer, hanger, header pipe, and muffler, so there is no need to search for additional parts.

Performance focuses on improving exhaust flow to boost engine output, replacing the original exhaust system entirely. The build quality is solid with polished metal that holds up well. Positive notes highlight better engine response and less weight, although the lack of a warranty could concern some.

A few people mention minor fitment tweaks might be needed.

The exhaust system is praised for improving engine responsiveness and reducing overall weight, adding to the bike's riding feel. Common complaints mention a lack of warranty and occasional fitment issues that require minor adjustments during installation.

Riders wanting a full replacement that’s simple to install and light will appreciate this option. Those who prefer guaranteed warranty support or need guaranteed perfect fit might look for alternatives requiring less tweaking.

#### Pros

- Easy bolt-on installation with no special tools
- Reduces bike weight for better handling
- Complete system replaces stock exhaust fully
- Polished silver finish looks clean and sporty

#### Cons

- No manufacturer warranty included
- Some minor fitment adjustments may be needed

| Specification | Details |
| ------------- | ------- |
| Brand Name | Generic |
| Manufacturer | Bobcat Moto Co |
| Compatibility | Grom 125, 2013-2026 |
| Included Components | DB killer, Exhaust Hanger, Header Pipe, Muffler |
| Design | Slip-On Full Exhaust System |
[Check Price](https://www.amazon.com/Exhaust-System-Slip-Muffler-Silver/dp/B0HP73XSPY/?tag=midwestmotorcycletraining-20)
### 9. Honda Grom 125 Full Exhaust System Slip-On Muffler Burnt Blue
[![](https://m.media-amazon.com/images/I/61A6BNslybL._AC_SX425_.jpg)](https://www.amazon.com/Exhaust-System-Slip-Muffler-Honda/dp/B0HP6XZ94Q/?tag=midwestmotorcycletraining-20)Striking burnt blue titanium-style finish catches the eye immediately, perfect for Grom 125 riders after a bold, customized look. It suits those wanting a straightforward upgrade that fits perfectly from 2013 to 2026 models without any fuss. The biggest strength lies in its full exhaust system design that promises a solid performance boost.

Installation is a breeze thanks to the slip-on muffler design, making it quick to swap out without needing special tools or major modifications. Everyday riding feels more responsive because the exhaust flow is optimized well, while the durable materials stand up strongly against heat and vibration.

Included accessories like the DB killer and exhaust hanger add convenience for routine maintenance and legal riding.

Performance-wise, it gives a noticeable punch to the throttle response and sound without being excessively loud. Construction quality is solid with premium materials ensuring long life, although some mention the lack of a manufacturer warranty is a downside. The burnt blue finish remains vibrant through regular use, while some riders express minor concerns about long-term reliability without guaranteed support.

Strong praise centers around the visual appeal of the burnt blue finish and the improved performance felt right after installation. Common complaints relate to the absence of a warranty, which some find worrying for long-term use. Everyday use is enhanced by easy setup and solid materials, though the lack of warranty can leave riders cautious.

This exhaust is ideal for riders wanting a dramatic look and tighter throttle response without complicated installs. Those who prioritize warranty-backed products or long-term support might consider other options before committing completely.

#### Pros

- Easy slip-on installation without major modifications
- Optimizes exhaust flow for better performance
- High-quality materials resist heat and vibrations
- Includes useful components like DB killer and hanger

#### Cons

- No manufacturer warranty provided
- Long-term reliability concerns reported

| Specification | Details |
| ------------- | ------- |
| Compatibility | Grom 125 models 2013-2026 |
| Installation | Slip-on muffler design |
| Finish | Burnt blue titanium-style |
| Included components | DB killer, Exhaust Hanger, Header Pipe, Muffler |
| Warranty | No Warranty |
[Check Price](https://www.amazon.com/Exhaust-System-Slip-Muffler-Honda/dp/B0HP6XZ94Q/?tag=midwestmotorcycletraining-20)
### 10. Honda Grom 125 Slip-On Stainless Steel Exhaust Muffler
[![](https://m.media-amazon.com/images/I/61MxZlmGspL._AC_SX679_.jpg)](https://www.amazon.com/KGTJGCJ-Motorcycle-2014-2024-Stainless-Silencer/dp/B0HNJ1GPJC/?tag=midwestmotorcycletraining-20)Choosing the Honda Grom 125 Slip-On Stainless Steel Exhaust Muffler means getting a well-built upgrade designed for riders who want both style and a solid fit. It suits Honda Grom 125 models from 2014 to 2024 and stands out with its compact black cylindrical design that adds a custom look without fuss.

Installation requires a bit of measuring to match the 51 mm or 60 mm exhaust connection and to check clearances around the rear wheel and bodywork. The slip-on style makes it easier to replace the stock muffler without complex modifications.

Daily riding is simple since the exhaust stays secure and looks good on street or sport setups.

Performance-wise, it delivers a noticeable change in exhaust tone and style without compromising the bike’s balance. The stainless steel ends paired with the black textured sleeve make it durable against weather and wear.

Praises focus on the clean look and straightforward installation, while most complaints mention needing precise measurements before ordering to avoid fitment issues.

Reviews highlight the muffler’s sharp, custom appearance and easy setup as major positives. The most repeated issue comes from fitment problems when measurements aren’t checked thoroughly before buying, causing installation hassle.

Riders comfortable measuring their bike and looking for a stylish upgrade without heavy mods will appreciate this exhaust. Anyone unsure about exhaust sizes or with unusual bike setups should consider alternatives to avoid fitting challenges.

#### Pros
- Compact black cylindrical design fits street and sport styles
- Stainless steel ends resist corrosion
- Slip-on fit simplifies installation
- Options for two exhaust connection sizes
#### Cons
- Requires exact measurements for proper fit
- May not clear all bodywork configurations
| Specification | Details |
| ------------- | ------- |
| Model Number | KGTJGCJ-22025781-01 |
| Manufacturer | KGTJGCJ |
| Exhaust Connection | 51 mm or 60 mm options |
| Number of Items | 1 |
| Compatibility | Honda Grom 125 2014-2024 |
[Check Price](https://www.amazon.com/KGTJGCJ-Motorcycle-2014-2024-Stainless-Silencer/dp/B0HNJ1GPJC/?tag=midwestmotorcycletraining-20)
### 11. Honda Grom MSX125 Slip-On Stainless Steel Exhaust Muffler
[![](https://m.media-amazon.com/images/I/61MxZlmGspL._AC_SX679_.jpg)](https://www.amazon.com/KGTJGCJ-Motorcycle-Exhaust-Stainless-Silencer/dp/B0HNJ95PGB/?tag=midwestmotorcycletraining-20)Upgrading the Honda Grom’s exhaust can be tricky with fit and style concerns, but this slip-on muffler handles both well. It works best for riders wanting a sharp, custom look without messing with complex installs. Its biggest strength lies in a compact, black cylindrical design that adds a sporty touch to the Grom.

Installation requires measuring your bike’s mid-pipe diameter carefully since it’s available in 51 mm or 60 mm options. The muffler fits snugly into place as long as you verify mounting and clearance beforehand. Day-to-day, it’s low maintenance thanks to the stainless steel ends, and the black textured sleeve keeps it looking good despite street wear and grime.

Sound performance boosts the bike's street presence without creating overwhelming noise. The build feels solid with exposed stainless steel that resists rust, while the angled outlet directs exhaust away cleanly. Praise often targets the clean look and fit, while the most common gripe mentions the precise measurement needed before buying to avoid compatibility issues.

The muffler impresses with a sharp look and quality build, standing up well to everyday riding conditions. Many find the size options helpful, but accurate measuring is crucial before purchase to avoid fitment trouble.

Riders wanting a subtle style upgrade with straightforward installation will appreciate this muffler. Those lacking proper space or unsure of their pipe diameter might prefer a more universally fitting option.

#### Pros
- Compact, clean black cylindrical design- Durable stainless steel ends- Angled outlet directs exhaust well- Available in two connection sizes
#### Cons
- Must measure mid-pipe exactly to fit- Not suitable without enough installation space
| Specification | Details |
| ------------- | ------- |
| Model Number | KGTJGCJ-22025782-01 |
| Number of Items | 1 |
| Brand Name | KGTJGCJ |
| Manufacturer Part Number | 77176_KGTJGCJ-22025782-01 |
| Exhaust Connection | 51 mm or 60 mm |
[Check Price](https://www.amazon.com/KGTJGCJ-Motorcycle-Exhaust-Stainless-Silencer/dp/B0HNJ95PGB/?tag=midwestmotorcycletraining-20)
### 12. Honda Grom MSX125 Exhaust Header Manifold 51mm
[![](https://m.media-amazon.com/images/I/61+ttkACz3L._AC_SX425_.jpg)](https://www.amazon.com/Exhaust-Header-Manifold-MSX125-2012-2020/dp/B0HHNFHYQ8/?tag=midwestmotorcycletraining-20)Improved sliding design gives the Honda Grom MSX125 Exhaust Header Manifold 51mm a deeper, fuller roar that stands out on the road. Perfect for riders who want a sporty sound and look while maintaining easy installation and durability.

Setting up the exhaust is straightforward since it comes with all necessary accessories. The straight pipe design adds a sharp, athletic edge to the bike’s appearance.

Using it daily, the material holds up well against regular riding conditions without needing much maintenance or adjustments.

Delivering a louder and richer exhaust note matches well with the bike’s character, making rides feel more exciting. The premium materials ensure it lasts through regular wear and tear.

Most praise focuses on the audible difference it makes, while a few mention that the sound might be too loud for some riders.

The strongest praise centers on how the exhaust dramatically improves the bike’s sound, making it more noticeable and enjoyable. The most common complaint is that the increased noise level might not suit riders seeking a quieter ride or those in noise-sensitive areas.

Riders looking for a reliable, louder exhaust with an aggressive look will find this a solid choice. Those preferring a subtle sound or brand assurance might want to explore other options.

#### Pros

- Deeper, fuller exhaust sound
- Durable premium materials
- Comes with all installation accessories
- Sporty straight pipe design

#### Cons

- Sound can be loud for some riders
- Generic brand may concern some buyers

| Specification | Details |
| ------------- | ------- |
| Brand Name | Generic |
| Manufacturer Part Number | XRXSDAAJC-A277F94E |
| Number of Items | 1 |
| Model Number | XRXSDAAJC-A277F94E |
| Exhaust Header Size | 51mm |
[Check Price](https://www.amazon.com/Exhaust-Header-Manifold-MSX125-2012-2020/dp/B0HHNFHYQ8/?tag=midwestmotorcycletraining-20)
## Best Exhaust Systems for Honda Grom Comparison

| Product | Brand | Included Components | Warranty | Highlight |
| ------- | ----- | ------------------- | -------- | --------- |
| **Grom 125 Carbon Exhaust** | Generic | Muffler | - | Bobcatz Manufacturer |
| **Carbon Fiber Muffler** | PACEWALKER | Housing | 1 year | 38-51mm Diameter |
| **Grom 125 Gloss Black Exhaust** | Generic | Muffler | - | Bobcatz Manufacturer |
| **Grom 125 Black Slip-On** | Generic | Muffler, pipes, mounts | - | Full Slip-On Kit |
| **Stainless Mini Bike Muffler** | HTBCCHB | Stainless Steel Exhaust | 1 month | Mini Bike Muffler |
| **Carbon Fiber Slip-On Muffler** | LEIMO KPARTS | Muffler | - | Dirt Bike, Scooter Use |
| **Grom MSX125 Low Mount Pipe** | Generic | Muffler | - | Low Mount Side Exhaust |
| **Grom 125 Silver Exhaust** | Generic | DB killer, hanger, pipes, muffler | No Warranty | Bobcat Moto Co |
| **Grom 125 Burnt Blue Exhaust** | Generic | DB killer, hanger, pipes, muffler | No Warranty | Burnt Blue Finish |
| **Grom Stainless Steel Muffler** | KGTJGCJ | - | - | Stainless Steel Muffler |
| **MSX125 Stainless Steel Muffler** | KGTJGCJ | - | - | Stainless Steel Muffler |
| **Grom MSX125 51mm Header** | Generic | - | - | 51mm Header Pipe |
1. Grom 125 Carbon Exhaust- **Brand**Generic- **Included Components**Muffler- **Warranty**-- **Highlight**Bobcatz Manufacturer2. Carbon Fiber Muffler- **Brand**PACEWALKER- **Included Components**Housing- **Warranty**1 year- **Highlight**38-51mm Diameter3. Grom 125 Gloss Black Exhaust- **Brand**Generic- **Included Components**Muffler- **Warranty**-- **Highlight**Bobcatz Manufacturer4. Grom 125 Black Slip-On- **Brand**Generic- **Included Components**Muffler, pipes, mounts- **Warranty**-- **Highlight**Full Slip-On Kit5. Stainless Mini Bike Muffler- **Brand**HTBCCHB- **Included Components**Stainless Steel Exhaust- **Warranty**1 month- **Highlight**Mini Bike Muffler6. Carbon Fiber Slip-On Muffler- **Brand**LEIMO KPARTS- **Included Components**Muffler- **Warranty**-- **Highlight**Dirt Bike, Scooter Use7. Grom MSX125 Low Mount Pipe- **Brand**Generic- **Included Components**Muffler- **Warranty**-- **Highlight**Low Mount Side Exhaust8. Grom 125 Silver Exhaust- **Brand**Generic- **Included Components**DB killer, hanger, pipes, muffler- **Warranty**No Warranty- **Highlight**Bobcat Moto Co9. Grom 125 Burnt Blue Exhaust- **Brand**Generic- **Included Components**DB killer, hanger, pipes, muffler- **Warranty**No Warranty- **Highlight**Burnt Blue Finish10. Grom Stainless Steel Muffler- **Brand**KGTJGCJ- **Included Components**-- **Warranty**-- **Highlight**Stainless Steel Muffler11. MSX125 Stainless Steel Muffler- **Brand**KGTJGCJ- **Included Components**-- **Warranty**-- **Highlight**Stainless Steel Muffler12. Grom MSX125 51mm Header- **Brand**Generic- **Included Components**-- **Warranty**-- **Highlight**51mm Header Pipe
## How to Choose the Right Exhaust for Honda Grom
Consider factors like material quality, sound level, and compatibility with your bike’s engine when choosing an exhaust for Honda Grom. Picking the right fit ensures better performance, reduces wear, and avoids costly modifications or repairs, saving both money and hassle in the long run.

### Fit and Compatibility
Many riders discover the hard way that an exhaust not tailored for their specific year of Honda’s small bike can cause fitment headaches. Parts like the mounting brackets or pipe bends rarely line up perfectly if the design isn’t matched to the model year.

This often means drilling or altering components, which leads to extra time and potential damage.

A well-designed system will bolt on without any modifications, fitting flush with the stock headers or popular aftermarket midpipes. Double-check compatibility to avoid surprises, especially if other upgrades like aftermarket headers are already installed.

Proper fit prevents leaks and rattles, making daily rides smoother without annoying adjustments.

### Performance Impact
Not all exhausts add the same power gains. Some offer noticeable improvements in horsepower and torque, especially in the low to mid RPM range, which helps in stop-and-go city riding or quick acceleration.

A poorly matched system might reduce low-end grunt or create sluggish throttle response, affecting everyday usability.

The changes often influence fuel economy too, some setups lean out fuel mixtures, requiring tuning or risking higher consumption. Look for systems claiming a clear boost around the 6,000-8,000 RPM band if you want lively acceleration without sacrificing everyday control.

The difference in riding feel is subtle but meaningful on short trips and tight traffic.

### Sound and Noise Level
Sound levels vary widely, with many systems ranging from just 85 to over 100 decibels. Exceeding local noise limits can lead to fines or trouble at events.

Some exhausts have a sharp, aggressive tone suitable for track days but too loud for casual rides or residential areas.

Choosing a setup with a refined note eliminates the constant drone that gets tiring on longer rides. A balanced tone that matches the bike’s character feels more natural and doesn’t annoy either the rider or nearby pedestrians.

Checking decibel ratings or sound clips before buying can save frustration.

### Material Quality and Durability
Exhaust construction materials make a big difference in durability. Stainless steel offers good corrosion resistance but can discolor over time from heat. Titanium is lightweight, resists rust, and handles high temperatures well, though it usually costs more.

Carbon fiber components reduce weight and provide a sharp look but require careful handling to avoid cracks.

Pay attention to weld quality and finish; rough edges or poor coatings tend to deteriorate faster. Regular cleaning is needed, especially to prevent salt corrosion if ridden near the coast or in wet conditions.

A quality build lasts years without warping or rust.

### Installation and Maintenance
Installing a new system can be straightforward if it fits like a stock part and requires only basic hand tools. Some kits include all necessary hardware and clear instructions, which cuts down on installation time and guesswork.

Complicated assemblies needing manifold removal or special tools add frustration and cost.

Routine upkeep often involves cleaning carbon deposits and replacing gaskets to prevent exhaust leaks. Replacement parts should be easy to find from the manufacturer, or else servicing becomes a challenge. A design that allows quick access speeds up regular maintenance without a trip to the shop.

## Performance Enhancements Through Aftermarket Exhaust Upgrades
Switching to an aftermarket exhaust on a Honda Grom can improve the bike’s power output and responsiveness. These exhausts typically reduce weight compared to the stock system, which helps with handling and acceleration. Different designs influence how the engine breathes, meaning some exhausts boost mid-range torque while others focus on peak horsepower.

**Key points to consider:**

- Look for exhausts made from lightweight materials like titanium or stainless steel.
- Consider if the exhaust comes with a properly tuned fuel management system or requires a separate tune.
- A well-chosen exhaust can improve throttle response and give a sportier sound without negatively impacting drivability.
Improving the exhaust flow also often results in a better throttle feel, which can make everyday rides more enjoyable.

## Proper Maintenance Practices for Prolonged Exhaust Life
Maintaining your Honda Grom’s exhaust system ensures it functions correctly and lasts longer. Regularly checking for signs of rust or corrosion helps catch small problems before they worsen.

Clean the exhaust pipe surfaces gently to remove dirt, but avoid harsh chemicals that might damage the finish or seals.

**Maintenance tips to extend exhaust life:**

- Inspect mounting points and clamps for looseness or wear every few rides.
- Clear out any carbon build-up inside the exhaust tip to maintain airflow.
- After rides in wet or salty conditions, rinse the exhaust and dry thoroughly to prevent corrosion.
Following these practical steps reduces the chance of exhaust leaks and keeps your Grom running smoothly.

## Common Installation Mistakes to Avoid When Upgrading Your Honda Grom Exhaust
Installing a new exhaust on a Honda Grom requires attention to detail to avoid common mistakes that can affect performance or cause damage. One frequent error is not tightening clamps and bolts evenly, which can lead to exhaust leaks or rattling noises. Another is neglecting to check alignment, causing the exhaust pipe to contact other bike parts during movement.

**Things to watch out for:**

- Ensure all gaskets are properly seated to prevent leaks.
- Double-check clearance around the frame, swingarm, and footpegs before final tightening.
- Follow torque specifications to avoid over-tightening and stripping threads.
Taking time to mount the exhaust correctly avoids costly rework and helps maintain the bike’s performance and reliability.

## People Also Asked

### How Do I Choose the Right Exhaust Size for My Honda Grom?
Choose an exhaust size that matches your Honda Grom's engine capacity and riding style. Larger pipes can increase performance but may reduce torque; smaller ones keep throttle response sharper. Check product specs and consider moderately sized options for street use.

### Is It Safe to Install a Custom Exhaust on a Honda Grom?
Installing a custom exhaust can be safe if it fits properly and doesn't interfere with your bike's electronics or emissions system. Always follow installation instructions or have a professional help to avoid leaks or damage.

### How Long Does a Typical Honda Grom Exhaust Usually Last?
A typical Honda Grom exhaust lasts several years with regular use, but lifespan depends on materials and riding conditions. Stainless steel exhausts generally outlast those made of cheaper metals. Consider environmental exposure to avoid rust.

### What Are Common Problems with Aftermarket Exhausts on Honda Groms?
Common problems with aftermarket exhausts include poor fitment, rattling noises, and decreased backpressure affecting engine performance. Some units also cause issues with the bike’s fuel mapping, which may require adjustments.

### How Do I Properly Care for My Honda Grom Exhaust System?
Clean the exhaust regularly to prevent corrosion and avoid leaving water sitting inside. Use mild soap and a soft cloth, and check for tight fittings after rides, especially if you ride in wet or salty conditions.

## Conclusion
Choosing the right exhaust for a Honda Grom depends mainly on sound, weight, and installation ease. Consider how loud you want your bike to be, since some exhausts are much louder than others. The weight affects handling, so a lighter option can improve performance.

Also, think about how straightforward the installation process is and whether you need any special tools or modifications.

Match the exhaust to your typical riding style and budget to get the most out of your purchase. Smaller spaces might limit the size you can accommodate, so keep that in mind.

Review the comparison table and detailed picks above to find the option that fits your needs best before making a decision.