Exhaust Muffler Silencer Pipe 28mm for 90cc-125cc Dirt Pit Bikes

In this review the Exhaust Muffler Silencer Pipe is evaluated for riders who want a straightforward exhaust upgrade for 28mm dirt and pit bikes. The bottom line: this kit is best for budget-conscious riders who need a complete, easy-to-install replacement that improves sound and appearance without extra purchases. The review focuses on fitment for 28mm engines, the included hardware, and real-world comments about sound, power and durability to help shoppers decide if this is the right muffler for their bike.

Key Features

• Complete kit: The package includes a muffler, head pipe, metal clip, rubber gasket, two additional gaskets and a screw kit so no extra parts are required for installation.
• 28mm fitment: The 28mm head and 45mm eye-to-eye dimensions are designed to match 90cc, 110cc and 125cc dirt and pit bikes for a direct-like fit.
• Improved sound: The silencer and internal filter element reduce exhaust odor and produce a more pleasing engine tone according to user feedback.
• Appearance upgrade: The muffler is intended to enhance the bike's look, giving a more fashionable finish compared with a stock pipe.
• Ease of installation: The design mimics original mounting points and comes with the necessary hardware to simplify fitting on compatible models.

Who It's For

This muffler is aimed at owners of 28mm manifold 90cc to 125cc dirt and pit bikes such as CRF50-style machines, SSR, Baja, Coolster, Piranha, Pister Pro, Taotao models and similar small-displacement trail bikes who want a simple upgrade that adds sound and a cleaner look. Riders who prefer a bolt-on solution with a full hardware kit will appreciate that nothing extra is required.

It is less suited for riders who demand precision OEM-level fit on every model or flawless cosmetic finish; some customers reported mixed fit results and occasional surface scratches. If absolute factory-perfect alignment or scratch-free appearance is crucial, a higher-end or model-specific exhaust may be a better choice.

Pros & Cons

Pros

• Complete hardware and gaskets included, so installation is straightforward and parts are not missing.
• Noticeable improvement in exhaust tone and perceived power compared with straight piping, according to multiple users.
• Upgrades the bike's visual appeal with a sportier muffler profile.
• Durable construction that installs like the original for most compatible bikes.

Cons

• Fitment is mixed across different models; some users reported alignment issues requiring minor trimming or adjustment.
• Some buyers noted cosmetic scratches on arrival, so finish quality can vary.

Specifications

Brand	YYCKE
Muffler head diameter	28mm
Eye-to-eye length	45mm
Compatible engines	90cc, 110cc, 125cc dirt and pit bikes
Included items	Muffler, head pipe, metal clip, black rubber gasket, 2 gaskets, screw kit
Fitment examples	CRF50, SSR, Baja, Coolster, Piranha, Pister Pro, Taotao DB10/DB14

Our Verdict

For riders of 28mm 90cc to 125cc dirt and pit bikes who want a complete, affordable exhaust upgrade that improves sound and appearance, this muffler kit is a good value. It includes everything needed for installation and delivers a punchier tone and perceived power gains, though buyers should expect occasional fitment tinkering and minor cosmetic variability. Overall it is a practical choice for upgrades without a big expense.

Frequently Asked Questions

Will this fit my CRF50-style bike?
If your bike uses a 28mm head manifold it is compatible with many CRF50-style and similar 90cc-125cc models, though minor adjustments may be required for perfect alignment.

Does the kit include gaskets and hardware?
Yes, the package contains the muffler, head pipe, metal clip, black rubber gasket, two additional gaskets and a screw kit for installation.

How does it affect sound and performance?
Customers report a cleaner, more pleasing exhaust tone and a perceived increase in power due to the silencer and filter element improving exhaust flow and odor filtration.