Top 10 Best Exhaust For Honda Grom To Boost Performance

The best exhaust for Honda Grom plays a crucial role in optimizing your bike’s performance and overall riding experience. Advanced exhaust systems offer significant improvements in power delivery, throttle response, and weight reduction by utilizing cutting-edge materials and design techniques. Choosing the right exhaust can also enhance sound quality, contributing to a more thrilling ride while ensuring compliance with emission standards.

Innovations in exhaust technology, such as titanium construction, carbon fiber finishes, and precision-engineered mufflers, provide riders with durable and efficient solutions tailored to their needs. Understanding the various styles, materials, and performance attributes of Honda Grom exhausts is essential for making an informed upgrade decision.

Continue reading to explore the key factors and top options that define the best exhaust for Honda Grom enthusiasts.

Best Exhaust for Honda Grom: Top Picks for 2026

Image	Product	Buy
Top Picks- 1	Exhaust Muffler Kit Fit for Grom 125cc Slip on Carbon Best for: Carbon fiber enthusiasts	Check Price On Amazon
Top Picks- 2	1.5-2″ Inlet Motorcycle Exhaust Muffler Slip On 400mm Lengthened Universal Best for: Universal fit seekers	Check Price On Amazon
Top Picks- 3	Stainless Steel Exhaust Muffler For Honda Z50 Monkey Bike Mini Best for: Mini bike owners	Check Price On Amazon
Top Picks- 4	PACEWALKER Motorcycle Exhaust Muffler Carbon Fiber 1.5-2″ Inlet Best for: Carbon fiber style fans	Check Price On Amazon
Top Picks- 5	Universal 1.5-2″ Inlet Hexagon Exhaust Muffler Pipe Slip On Scooter Best for: Scooter riders	Check Price On Amazon

1. Exhaust Muffler Kit Fit for Grom 125cc Slip on Carbon

Best for: Slip-on ease with carbon fiber build.

Carbon fiber wrapping on the muffler body paired with a stainless steel mid-pipe enables superior durability and corrosion resistance for Honda Grom 125cc riders seeking long-lasting performance. The compact muffler measures just 3 inches, offering a minimal footprint that preserves original styling while enhancing exhaust flow.

This complete exhaust kit includes all hardware needed such as springs, clamps, and mounting brackets, ensuring installation without modifying the stock header. The stainless steel connecting pipe complements the carbon fiber muffler, balancing weight and strength. Its slip-on system simplifies assembly, making it ideal for riders wanting a direct bolt-on upgrade.

Pros

• Carbon fiber muffler provides heat resistance and lightweight durability
• Stainless steel mid-pipe ensures corrosion protection
• Slip-on design requires no stock header modifications
• All necessary hardware included for hassle-free installation

Cons

• Muffler size limited to 3 inches, which may affect maximum exhaust volume

Ideal for Honda Grom owners who want a robust, lightweight exhaust upgrade with effortless installation. This kit suits riders prioritizing durability and a compact setup for urban or casual street use.

2. 1.5-2″ Inlet Motorcycle Exhaust Muffler Slip On 400mm Lengthened Universal

Best for: Universal titanium alloy option for varied bikes.

High-quality titanium alloy combined with stainless steel offers corrosion resistance and rustproof properties in this 400mm universal muffler, supporting pipe diameters between 38mm and 51mm. Riders benefit from a removable DB killer for customizable sound output tailored to their motorcycle’s displacement.

Lengthened to 400mm, this exhaust muffler fits street, sport, scooter, dirt bike, and ATV applications. The double-head baking blue finish adds a stylish appearance that stands up to wear. The built-in DB killer offers a quieter, deeper tone, easily removed to unleash louder, sharper sounds for more powerful engines.

Pros

• Titanium alloy material for lightweight strength and corrosion resistance
• Removable DB killer for sound customization
• Compatible with pipe diameters from 38mm to 51mm
• 400mm length optimized for enhanced exhaust flow

Cons

• Universal fit requires careful diameter matching to ensure airtight connection

Perfect for riders owning multiple street or off-road motorcycles seeking a durable, visually striking exhaust that adapts sound with ease. Well suited for users wanting versatile performance across various bike types.

3. Stainless Steel Exhaust Muffler For Honda Z50 Monkey Bike Mini

Best for: Stainless steel fitment for Honda Z50 and mini bikes.

Precision fitment for Honda Z50, Monkey Bikes, and mini trail 50 motorcycles crafted from robust stainless steel delivers reliability for stock or big bore engine applications. The rugged construction supports improved performance while accommodating ATC70 models.

Includes 1 muffler and a convenient bottle opener, blending practicality with performance enhancement. Careful adherence to sizing ensures compatibility with a range of small engine motorcycles. This muffler merges durable materials suited to variable riding conditions and engine sizes.

Pros

• Stainless steel construction resists corrosion for extended lifespan
• Compatible with stock and big bore engines
• Includes handy bottle opener accessory
• Suitable for Honda Z50 and similar mini trail bikes

Cons

• Limited to compatible models, not suited for Honda Grom 125cc without modification

Best choice for owners of Honda Z50 or mini motorcycles wanting reliable, corrosion-resistant exhaust upgrades. Practical for riders who appreciate added functionality with their performance parts.

4. PACEWALKER Motorcycle Exhaust Muffler Carbon Fiber 1.5-2″ Inlet

Best for: Aluminum body with versatile DB killer sound control.

An aluminum body paired with a stainless steel connector provides a lightweight yet durable option for street and sport motorcycles fitting 38-51mm exhaust pipes. Including a removable DB killer, users can adjust exhaust tone from deep and throaty to louder, without excessive noise.

This 365mm length slip-on muffler suits scooters and motorcycles requiring a secure fit with 51mm slip-on connections. The subdued loudness level and clear sound signature enhance riding experience without overpowering neighborhood noise restrictions.

Pros

• Aluminum body for reduced weight
• Stainless steel connector enhances longevity
• 365mm overall length balances space and performance
• Removable DB killer for customizable sound

Cons

• No included installation instructions may challenge novice installers

Recommended for riders seeking a blend of sound control and lightweight materials for everyday street and sport bike use. Suitable for those mindful of noise without sacrificing exhaust performance.

5. Universal 1.5-2″ Inlet Hexagon Exhaust Muffler Pipe Slip On Scooter

Best for: Universal hexagon shape for multi-bike compatibility.

At 390mm long with a connection diameter spanning 38mm to 51mm, this universal hexagon-shaped exhaust muffler fits an array of motorcycles including dirt bikes, scooters, and ATVs. It caters to users needing a versatile muffler adaptable across different models.

The provided hardware supports straightforward attachment, while the hexagon shape offers a distinctive look and effective gas flow management. Notably, installation instructions are excluded, emphasizing the need for mechanical familiarity. Its size supports consistent exhaust flow without overwhelming system components.

Pros

• 390mm length fits most mid-sized exhaust pipes
• 38mm-51mm connection diameter maximizes compatibility
• Universal design suits diverse bike types
• Comes with mounting hardware included

Cons

• Installation guide not provided, possibly complicating setup

Optimal for mechanically experienced riders who require a flexible exhaust solution suitable for multiple motorcycle styles. Ideal in workshops or for users comfortable with independent installation.

6. Muffler Exhaust Slip-On Kit for Honda Grom 125cc, Gloss Black

Best for: Gloss black slip-on kit tailored for Grom 125cc.

A slip-on exhaust kit finished with a sleek gloss black coating offers Honda Grom 125cc riders an aggressive aesthetic upgrade alongside a custom fit. Designed specifically for the Grom 125cc, it delivers a clean install without major modifications.

The kit comes complete with all components needed for installation, allowing straightforward replacement of the stock muffler. Its polished coating adds visual appeal while resisting normal wear from environmental exposure. The slip-on system is engineered to maintain stock exhaust path integrity.

Pros

• Gloss black finish enhances motorcycle appearance
• Compatible specifically with Honda Grom 125cc
• Slip-on design simplifies installation process
• Full kit includes necessary mounting components

Cons

• No detailed performance metrics provided regarding flow improvement

Suggested for riders devoted to the Honda Grom 125cc looking for a clean, visually striking muffler upgrade without installation complexity. Fits users prioritizing style along with OEM-level convenience.

7. Full Exhaust Kit for Honda Grom 125cc Carbon FIber Style

Best for: Complete carbon fiber style kit for performance focus.

This full exhaust kit caters exclusively to the Honda Grom 125cc, featuring a slip-on configuration that supports simple bolt-on installation and enhances exhaust flow responsiveness. The carbon fiber style muffler contributes a sporty aesthetic appeal.

Beyond style, the upgraded exhaust system improves overall exhaust dynamics for more reactive throttle response. Complete with all components, this kit minimizes installation hassle and supports a seamless transition from stock equipment.

Pros

• Specifically designed for Honda Grom 125cc fitment
• Slip-on design requires no complex modifications
• Complete kit ensures all installation parts included
• Upgraded system improves throttle and airflow responsiveness

Cons

• Synthesized carbon fiber appearance; actual material composition not specified

Perfect for Honda Grom riders focused on performance boosts combined with updated styling. Suitable for enthusiasts wanting hassle-free installation paired with improved ride feel.

8. Muffler Exhaust Slip-On Kit for Honda Grom 125cc, Gloss Black

Best for: Gloss black sleek body enhancing Grom 125cc look.

Featuring a polished gloss black coating that lifts the visual appeal of the Honda Grom 125cc, this slip-on exhaust muffler enhances exhaust flow while preserving a secure fit. The design facilitates easy installation with no need for elaborate modifications.

Replacement of the stock muffler with this unit provides smoother exhaust movement and potentially improved sound output. The kit comprises just the muffler body, making it a lightweight addition targeted at owners looking for a simple upgrade with style benefits.

Pros

• Gloss black finish provides a refined look
• Slip-on installation tailored for Honda Grom 125cc
• Enhances exhaust flow compared to stock muffler
• Lightweight muffler body reduces potential added mass

Cons

• Kit includes only muffler body, hardware must be reused or acquired separately

Well-suited for Honda Grom owners aiming to visually upgrade and mildly enhance exhaust performance. Best for those comfortable retaining existing mounting components.

9. Exhaust Muffler Motorcycle For GROM For MSX 125 MSX125 2012

Best for: Full system slip-on for MSX 125 with styled power gains.

Engineered for the MSX 125 GROM models from 2012 to 2015, this full system slip-on exhaust improves power delivery and provides a smoother flow, significantly enhancing riding experience. Its modern design also visually upgrades the motorcycle with durable materials.

Mid-pipe and muffler integration ensures smoother exhaust transitioning that translates into better engine output. The stylish exterior withstands high temperatures and environmental factors, keeping the bike looking sharp. Setup is bolt-on for ease, removing the need for extensive customization.

Pros

• Optimized for MSX 125 GROM 2012-2015 models
• Full system slip-on improves exhaust flow and power
• Modern durable design offers long-term performance
• Smoother exhaust ride quality enhances control

Cons

• Fitment limited to specific GROM/MSX125 year models

Recommended for GROM MSX125 owners looking to enhance both aesthetics and engine responsiveness with a dedicated slip-on exhaust system. Best for riders desiring factory-level integration.

10. 38mm-51mm Motorcycle Exhaust Tips, Slip-On Exhaust for 1.5-2″ Motorcycle Exhaust

Best for: Lightweight stainless steel tip with dual outlets.

A lightweight stainless steel exhaust tip featuring a dual-outlet design delivers increased horsepower and torque for motorcycles with 1.5-2 inch exhaust ports. The brushed finish safeguards against scratches and discoloration while resisting track and road stresses.

Compatible with brands like Yamaha, Suzuki, BMW, and Honda, this slip-on tip installs in minutes without welding or fabrication. The dual outlets reduce overall exhaust weight, improving flow dynamics which benefits acceleration and power delivery on sport and street bikes.

Pros

• Durable stainless steel withstands heat and corrosion
• Dual-outlet design boosts exhaust flow performance
• Quick slip-on installation requires no welding
• Brushed finish protects against surface damage

Cons

• Intended as a tip only, not a full muffler system replacement

Ideal for performance-focused riders looking to upgrade their motorcycle’s exhaust tip for enhanced power and aesthetics. Suitable for bikes requiring a fast, simple exhaust flow enhancement.

How to Choose the Right Exhaust for Your Honda Grom

Material quality and durability

Choosing the best exhaust for a Honda Grom starts with evaluating the material quality and durability. Stainless steel offers excellent corrosion resistance and durability without excessive weight, making it a solid all-round choice. Titanium is lighter and has superior heat tolerance, resulting in a longer lifespan under aggressive riding conditions, although it costs more.

Carbon fiber is extremely lightweight and resists heat well but is less resistant to impact damage. For riders prioritizing longevity and reduced weight, a titanium exhaust strikes the perfect balance, while stainless steel suits those wanting strong durability at a more accessible level.

Power and performance enhancements

Performance gains from an upgraded exhaust should be a primary consideration. Focus on options that provide a measurable increase in horsepower and torque tailored to the Honda Grom’s engine size, ensuring the exhaust supports the bike’s tuning capabilities. Exhausts that boost airflow without hindering fuel mapping can significantly improve throttle response and acceleration.

The sound profile matters: a moderately aggressive exhaust note enhances riding enjoyment without producing excessive noise. Choose an exhaust tuned for smooth power delivery and rich sound that complements your riding style and adheres to local noise regulations.

Design and fitment

Ensuring the exhaust fits your specific Honda Grom model is critical for seamless integration. Exhausts designed to match the dimensions and mount points of various Grom years prevent installation headaches and performance loss. Weight plays an important role; lighter exhaust systems improve handling and reduce rider fatigue.

Aesthetic appeal is also key—options range from sleek matte black finishes to polished stainless steel or bold carbon fiber weave. Select an exhaust that perfectly aligns with your Grom’s model year and offers a design aesthetic that complements your bike’s character.

Ease of installation and maintenance

Consider installation convenience and maintenance needs when selecting an exhaust. Some units come with clear, straightforward instructions and bolt directly to stock mounting points, making them suitable for DIY installation without specialized tools. Others require professional tuning or fabrication, which adds complexity.

Regular cleaning with compatible products prevents corrosion and preserves finish quality, especially for stainless steel and titanium systems. Check for readily available replacement parts such as gaskets or mounting hardware to ensure straightforward upkeep.

For most riders, an exhaust offering a straightforward bolt-on fit with accessible maintenance requirements delivers the best user experience.

Brand reputation and warranty

Reputation and support distinguish the best exhaust choices for a Honda Grom. Established manufacturers with positive user feedback consistently offer reliable products backed by comprehensive warranties covering defects and wear. Strong customer support ensures prompt assistance for installation or performance queries.

Evaluate warranty terms alongside product features to determine overall value: a reputable exhaust with a solid warranty provides peace of mind and long-term reliability. Prioritize exhausts from trusted producers that combine robust warranty coverage with strong reviews, guaranteeing dependable performance and support.

Which Should You Choose?

• If you want a complete, premium upgrade with easy installation, choose a full exhaust kit that includes a carbon fiber muffler and all necessary mounting hardware.
• If you need a versatile and universal option for various pipe diameters, select a slip-on muffler designed to fit 38-51mm inlet sizes with a removable DB killer for customizable sound.
• If your focus is durability and compatibility with stock or big bore setups, go for a stainless steel exhaust muffler tailored for small bikes and mini trail motorcycles.
• If you prefer a sleek and stylish look with a secure fit specific to your Honda Grom 125cc, opt for a gloss black slip-on muffler kit designed exclusively for that model.

Quick Best Exhaust For Honda Grom Buying Checklist

• Material: Select stainless steel or titanium for durability.
• Performance: Look for gains in horsepower and throttle response.
• Compatibility: Ensure exhaust matches your Honda Grom model year and specs.
• Sound: Choose an exhaust that delivers your preferred noise level.
• Installation: Consider ease of install and included hardware.
• Warranty: Check for solid manufacturer warranty and customer support.

Frequently Asked Questions

What Makes An Exhaust Good For A Honda Grom?

A good exhaust for a Honda Grom improves performance by enhancing airflow while being lightweight and durable. Materials like titanium or stainless steel contribute to longevity and weight reduction, which are key factors for optimizing the bike’s handling and power.

Does Upgrading The Exhaust Increase Horsepower On A Honda Grom?

Yes, upgrading the exhaust can increase horsepower on a Honda Grom by allowing exhaust gases to flow more freely. This reduces back pressure and enhances engine efficiency, resulting in better throttle response and a potential boost in power output.

Are Aftermarket Exhausts Louder Than Stock For The Honda Grom?

Aftermarket exhausts for the Honda Grom are typically louder than stock systems because they have less restrictive mufflers. This creates a more aggressive exhaust note, but sound levels will vary depending on the design and whether baffles or silencers are installed.

How Do I Know If An Exhaust Fits My Honda Grom Model?

To ensure an exhaust fits your Honda Grom, verify the compatibility details provided by the manufacturer. Dimensions, mounting points, and model year are critical factors, along with checking for bolt-on designs that do not require modification.

Is Professional Installation Necessary For A Honda Grom Exhaust?

Professional installation is not always necessary for a Honda Grom exhaust if you have basic mechanical skills. Many aftermarket exhausts are designed for straightforward bolt-on installation with included hardware, but professional help is recommended for tuning or complex setups.

Final Suggestions

Choosing the best exhaust for Honda Grom offers improved performance, enhanced sound, and a personalized riding experience. These exhaust systems deliver versatility in both function and style, making them valuable upgrades for any rider. Explore your options confidently and enhance your Honda Grom’s potential today.