The Ultimate Guide to Honda MSX 125 Grom Exhaust Systems

The Honda MSX 125, also known as the Honda Grom, is a popular choice among motorcycle enthusiasts looking for a compact, fun, and customizable bike. One of the most effective ways to enhance the performance and aesthetics of your MSX 125 is by upgrading its exhaust system. This guide provides an in-depth look at various exhaust options available for the Honda MSX 125, comparing their features, benefits, and applications to help you make an informed decision.

Exhaust Type Material Weight Sound Level Performance Gain Price Range
Slip-On Exhaust Stainless Steel Lightweight Moderate Low $150 – $300
Full System Exhaust Titanium / Stainless Moderate Loud High $300 – $800
High-Mount Exhaust Aluminum Lightweight Moderate Medium $250 – $600
Race Exhaust Stainless Steel Lightweight Very Loud High $400 – $900
Custom Exhaust Varies Varies Varies Varies $200 – $1,000+

Types of Exhaust Systems for Honda MSX 125

Slip-On Exhausts

Slip-on exhaust systems are popular for those who want a quick and easy upgrade. They replace the stock muffler while keeping the original header pipe. Commonly made from stainless steel, these exhausts are lighter than stock options and provide a noticeable increase in sound and minor performance gains.

Pros:
– Easy installation
– Affordable
– Minor performance enhancement

Cons:
– Limited performance gains compared to full systems
– Sound may not be as aggressive as full systems

Full System Exhausts

Full system exhausts replace both the header pipe and the muffler. They are typically made from more advanced materials like titanium or high-grade stainless steel, offering significant weight savings and performance improvements.

Pros:
– Substantial performance gains
– Improved throttle response
– Aggressive sound profile

Cons:
– Higher cost
– More complex installation

High-Mount Exhausts

High-mount exhaust systems are designed to be mounted higher on the bike, which can enhance aesthetics and ground clearance. They are often constructed from durable aluminum or stainless steel, providing a unique look and sound.

Pros:
– Unique styling
– Increased ground clearance
– Lightweight

Cons:
– May require modifications to fit
– Performance gains vary

Race Exhausts

Race exhaust systems are designed for maximum performance, often at the expense of noise level and legality for street use. These systems are typically made from lightweight materials and feature aggressive designs.

Pros:
– Maximum performance enhancement
– Lightweight construction

Cons:
– Extremely loud
– May not be street-legal

Custom Exhausts

Custom exhaust systems allow riders to create a unique look and sound tailored to their preferences. These can vary significantly in materials, design, and performance.

Pros:
– Personalized design
– Potentially unique performance characteristics

Cons:
– Can be expensive
– Requires professional installation

Benefits of Upgrading Your Exhaust System

Enhanced Performance

Honda MSX 125 Grom 21 - 23 - Scorpion Exhausts

Upgrading to a high-quality exhaust system can lead to improved horsepower and torque. This is particularly true for full system exhausts, which optimize exhaust flow and reduce backpressure.

Better Sound

A new exhaust system can drastically change the sound of your motorcycle. Riders often seek a deeper, more aggressive tone, which can enhance the overall riding experience.

Weight Reduction

Most aftermarket exhaust systems are lighter than stock options, which can reduce the overall weight of the bike. This reduction can lead to better handling and acceleration.

Aesthetic Appeal

An aftermarket exhaust can significantly enhance the visual appeal of your Honda MSX 125. Brands like Arrow and Akrapovič offer stylish designs that complement the bike’s modern look.

Customization Options

With various types of exhausts available, riders can choose systems that match their personal style and performance needs. Whether looking for sleek stainless steel or a more rugged appearance, there is an exhaust system for every taste.

Top Brands for Honda MSX 125 Exhausts

Scorpion Exhausts

Scorpion Exhausts is known for producing high-quality slip-on and full system exhausts. Their products often feature a blend of performance and style, making them a popular choice among MSX 125 riders.

Akrapovič

Akrapovič is a premium brand that offers high-performance exhaust systems. Their products are often made from lightweight titanium and are designed for maximum performance and sound.

Brock’s Performance

Brock’s Performance specializes in exhaust systems that provide significant performance gains. Their products are known for their durability and aggressive sound profiles.

Arrow

Arrow offers a wide range of exhaust systems for the MSX 125, including both slip-on and full systems. Their exhausts are designed to improve performance while providing a distinctive appearance.

Zoom Exhausts

Zoom Exhausts provides full-system exhausts that are known for their robust construction and appealing sound. They cater to riders looking for performance and reliability.

Hot Bodies Racing

Known for their high-mount exhausts, Hot Bodies Racing offers unique styling and sound. Their products are designed for those looking to stand out on the road.

TYGA Performance

TYGA Performance focuses on performance-driven exhaust systems that enhance the bike’s overall capabilities. Their systems are designed for serious riders looking for maximum performance.

Radical Racing

Radical Racing specializes in aftermarket parts for the MSX 125, including exhaust systems. They offer competitive pricing and a variety of options to suit different riding styles.

HondaGrom.net

HondaGrom.net is a dedicated resource for Grom and MSX 125 enthusiasts, featuring a comprehensive list of exhaust systems and performance parts from various brands.

Technical Comparison of Honda MSX 125 Exhausts

Brand Model Material Weight Sound Level Performance Gain Price Range
Scorpion Slip-On Stainless Steel Lightweight Moderate Low $150 – $300
Akrapovič Full System Titanium Very Lightweight Loud High $400 – $800
Brock’s Performance Race Exhaust Stainless Steel Lightweight Very Loud High $400 – $900
Arrow Full System Stainless Steel Moderate Loud High $300 – $700
Zoom Exhaust Full System Stainless Steel Lightweight Loud Medium $250 – $600
Hot Bodies Racing High-Mount Aluminum Lightweight Moderate Medium $250 – $600
TYGA Performance Full System Stainless Steel Moderate Loud High $300 – $800
Radical Racing Slip-On Varies Varies Varies Varies $200 – $1,000+
HondaGrom.net Comprehensive List Varies Varies Varies Varies Varies

Conclusion

Upgrading the exhaust system on your Honda MSX 125 is an excellent way to enhance performance, sound, and aesthetics. With various options available, including slip-on, full systems, high-mount, race, and custom exhausts, there is something to suit every rider’s needs. Notable brands such as Scorpion, Akrapovič, Brock’s Performance, and Arrow provide high-quality choices that can elevate your riding experience. Whether you prioritize performance gains, sound, or style, the right exhaust system will make your Honda MSX 125 even more enjoyable.

FAQ

What is the benefit of a slip-on exhaust?
A slip-on exhaust offers a quick and easy upgrade by replacing only the muffler, resulting in improved sound and slight performance gains without modifying the entire exhaust system.

How does a full system exhaust improve performance?
A full system exhaust replaces both the header and muffler, optimizing exhaust flow, reducing backpressure, and allowing the engine to breathe more freely, which can lead to significant horsepower and torque gains.

Are race exhausts street-legal?
Many race exhausts are designed for maximum performance and are often too loud or not compliant with local noise regulations, making them unsuitable for street use.

What materials are commonly used in exhaust systems?
Common materials include stainless steel, titanium, and aluminum. Titanium is lightweight and durable, while stainless steel offers a good balance of weight and cost.

Can I install an aftermarket exhaust myself?
Most slip-on exhausts can be installed by the owner with basic tools. However, full systems may require more advanced skills and tools, so professional installation is recommended for those systems.

What brands should I consider for MSX 125 exhausts?
Top brands include Scorpion, Akrapovič, Brock’s Performance, Arrow, Zoom Exhausts, Hot Bodies Racing, TYGA Performance, and Radical Racing, each offering unique benefits and styles.

How do I choose the right exhaust for my riding style?
Consider factors such as desired sound level, performance gains, weight reduction, and aesthetic appeal. Choose based on your preferences and how you intend to use your MSX 125.

Will upgrading the exhaust void my warranty?
Upgrading the exhaust may void your warranty, depending on local laws and dealership policies. Always check with your dealership before making modifications.

What is the average cost of aftermarket exhaust systems?
Costs can range from approximately $150 for slip-on systems to over $900 for high-performance race exhausts, depending on materials and brand.

Do exhaust upgrades require tuning?
In many cases, tuning may be necessary to fully optimize performance gains after upgrading the exhaust system. This ensures the engine runs efficiently with the new exhaust.