The KLX110 is a versatile small-displacement dirt bike that benefits from a well-made exhaust upgrade. This guide reviews five popular exhaust options that fit KLX110 and similar 50cc–125cc Chinese pit bikes, highlighting compatibility, build quality, and performance aims. Each product is evaluated for flow, durability, and ease of installation to help riders balance power gains with reliability.
Summary Table of Chosen Products
| Product | Brand | Key Fitment | Notable Benefit |
|---|---|---|---|
| ICONSPORTSS 28mm Exhaust Pipe Muffler | ICONSPORTSS | 50cc–150cc 4-stroke, XR50/CRF50 and KLX110 family | Efficient 28mm inner diameter for improved flow |
| DJ-Motor 28mm Exhaust Muffler | DJ-Motor | 50cc–125cc dirt bikes including KLX110, XR50 | Stainless steel build with compact muffler |
| PRO BAT Exhaust Pipe+ Muffler System | PRO BAT | 50cc–110cc go-kart and dirt bikes | Comprehensive kit with pipe, muffler and hardware |
| Xitomer Bolts Kit | xitomer | KLX110 and KLX125 frame/exhaust mounting | Original factory-fit fasteners for clean installation |
| Motion Pro Throttle Tube | Motion Pro | Kawasaki KLX110 2002–2019 | Enhanced throttle control and durability |
ICONSPORTSS 28mm Exhaust Pipe Muffler and Clamp

This exhaust option from ICONSPORTSS uses a 28mm inner diameter (1.1″), designed to optimize exhaust flow for 50cc to 150cc four-stroke engines. Its construction combines aluminum and steel for durability, aiming to improve throttle response and peak power without a complicated install. The wide compatibility includes XR50 and CRF50 families, making it a practical upgrade for KLX110 users seeking a straightforward performance bump.
- Wide compatibility: suits numerous Chinese dirt bikes, quads, ATVs, and Dune Buggies.
- Premium construction: aluminum and steel for longevity.
- Optimized 28mm inner diameter for better exhaust flow.
DJ-Motor 28mm Exhaust Muffler Stainless Steel

DJ-Motor offers a stainless steel 28mm exhaust muffler with a bold black-and-green finish. It targets 50cc–125cc engines with Kawasaki KLX110-like configurations, including CRF50 and XR50. The stainless build enhances corrosion resistance while maintaining a compact footprint that fits tight engine bays. This option emphasizes a balance between durability and ease of installation for riders who want a clean, race-inspired look.
- 28mm muffler size suitable for common 50cc–125cc builds.
- Stainless steel construction for longevity.
- Compatible with KLX110 and related models.
PRO BAT Exhaust Pipe + Muffler System

The PRO BAT kit provides a complete exhaust system, including pipe, muffler, and mounting hardware. It specifies a total length around 710 mm with a 32 mm flange and a 25.4 mm pipe thickness, designed for Falcon Bull style quads and pit bikes. The kit’s detailed dimensions help riders assess fit for KLX110 and similar engines, offering a more integrated approach than single-component exhausts.
- Comprehensive kit: pipe, muffler, and mounting hardware included.
- Clear dimensional specs aid in fitment planning.
- Suitable for a range of 50cc–110cc platforms.
Xitomer 314 PCS Bolts Kit

The Xitomer bolts kit is designed to support KLX110-related builds by providing a full set of factory-fit flange bolts, nuts, screws, and fender washers. While not an exhaust itself, this kit helps ensure a clean install with accurate hardware, aligning with KLX110 exhaust replacements where hardware compatibility matters as much as the pipe itself.
- 314 pieces cover body, frame, and exhaust mounts.
- Includes fasteners for secure, factory-like mounting.
- Fits KLX110 and KLX125 legacy configurations.
Motion Pro Throttle Tube For KLX110

The Motion Pro throttle tube is designed for KLX110 models from 2002–2019 and offers a performance-oriented upgrade to the throttle mechanism. It uses a nylon fabric composite for durability, with pop-out end caps to accommodate bar-end handguards. While not a direct exhaust component, this upgrade can complement an exhaust swap by improving throttle response and control under higher flow conditions.
- Compatibility: KLX110 models across two decades.
- Durable nylon composite construction improves longevity.
- End-cap design supports aftermarket handguards.
HOLATO 28mm Exhaust Silencer Muffler Clamp Gasket

The HOLATO clamp and gasket set is built for 28mm exhaust systems, with a robust mounting kit designed for 50cc–125cc Chinese dirt bikes and ATVs. It includes a muffler clamp, gaskets, and mounting hardware, helping riders secure an exhaust upgrade with a focus on preventing leaks and ensuring a tight seal during operation.
- 28mm mounting hole size aligns with common KLX110 exhausts.
- Includes multiple gaskets and hardware for a complete seal.
- Broad fitment across Chinese pit bikes and ATVs.
TC-Motor 38mm Exhaust Muffler T4 Style

The TC-Motor T4 style exhaust muffler offers a larger 38mm diameter, designed for 125cc–190cc CRF50 KLX110 pit bikes. While this is a larger option than typical KLX110 configurations, it can suit riders seeking more aggressive exhaust flow on bigger-displacement KLX counterparts or customized builds. The listing notes supportive customer service, which can aid in installation guidance.
- 38mm diameter muffler for higher flow potential.
- Targeted fitment for CRF50 and KLX110 family with adjustments.
- Includes safety packaging and responsive support.
Buying Guide: What To Consider When Choosing KLX110 Exhaust Upgrades
Key considerations help balance performance, durability, and compatibility when selecting KLX110 exhaust parts.
- Engine displacement compatibility: Confirm that the exhaust is designed for 50cc–125cc engines and that it will fit KLX110 or similar Chinese pit bikes without requiring extensive modifications.
- Flow vs. noise: A larger diameter can boost flow and power, but may increase noise and require jetting adjustments. Consider muffler design and any local noise restrictions.
- Materials and corrosion resistance: Stainless steel and aluminum blends offer corrosion resistance and lighter weight; assess build quality and mounting hardware for long-term reliability.
- Installation ease: Kits that include mounting hardware and clear instructions reduce on-bike downtime. Some products pair exhausts with throttle or bolt kits for a more complete upgrade.
- Fitment confirmation: Some items list broad compatibility (XR50, CRF50, KLX110); verify fit with your model year and aftermarket parts to avoid misfit.
- Support and warranty: Look for sellers that provide support or return policies, especially on Chinese-market parts where compatibility can vary by region.
- Combined upgrades: Pairing an exhaust with a throttle tube or bolts kit can improve overall throttle response and installation quality, but ensure simultaneous compatibility to prevent conflicts.
- Aesthetics and sound: Beyond performance, consider the exhaust’s look and tone to match your bike’s style and intended use (trail, race, or casual riding).
In sum, the selected options cover a spectrum from straightforward, durable mufflers to more integrated systems and hardware kits. Prospective buyers should match their KLX110’s displacement and engine setup with the exhaust’s flow characteristics, materials, and mounting compatibility to optimize both performance and reliability.