28mm High Performance Exhaust Muffler Silencer Pipe Assembly kit

In this review of the 28mm High Performance Exhaust Muffler Silencer Pipe Assembly kit, the bottom line is straightforward: it is a practical, all-in-one replacement exhaust for small dirt and pit bikes that delivers a noticeable improvement in sound and a modest uptick in power. The kit is aimed at owners of 90cc to 125cc bikes who want a neater appearance and easier installation without sourcing extra parts. The review finds it especially appealing for weekend riders who value sound quality and straightforward fitment, while fitment may require attention on some models.

Key Features

• Complete kit: Ships with the muffler, head pipe, metal clip, rubber gasket, extra gaskets and a screw kit so no additional purchases are required.
• 28mm inlet size: The 28mm head and 45mm eye-to-eye dimension match many small dirt bike exhaust ports for direct replacement on compatible models.
• Improved sound: The internal trachea filter element filters odor and refines the exhaust note, producing a fuller, more appealing tone under load.
• Appearance upgrade: The muffler changes the bike's look to a cleaner, more fashionable profile compared with many stock systems.
• Simple installation: Designed to install much like the original part, which reduces install time for DIY mechanics.
• Durable construction: Built for rugged use on dirt and pit bikes where toughness and a secure fit matter.

Who It's For

This kit is best for riders of 28mm-equipped 90cc, 110cc and 125cc dirt or pit bikes such as CRF50-style machines, SSR, Baja and several Taotao models who want a single-package exhaust swap that improves sound and appearance. DIYers who prefer a ready-to-install solution and value a metal clip and full gasket set will appreciate having everything included.

Those who should look elsewhere include riders who need an exact OEM fit for less common frames or mounting geometries, since some customers reported mixed fit results, and anyone seeking a high-performance, tuned race system beyond a simple muffler swap.

Pros & Cons

Pros

• Clear improvement in sound quality compared with many stock mufflers, giving a fuller tone under throttle.
• Complete accessory package means no extra parts are needed to install the system.
• Easy to install for most hobby mechanics and adds a cleaner, sportier look to the bike.

Cons

• Fitment is mixed across some makes and models, so minor alignment or bracket adjustments may be required.
• Some buyers reported surface scratches on arrival, so finish quality can vary.

Specifications

Brand	YYCKE
Inlet size	28mm head
Eye-to-eye	45mm
Compatible engines	90cc, 110cc, 125cc dirt 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 models, TTR, DB series

Our Verdict

The YYCKE 28mm exhaust kit is a sensible value upgrade for small dirt bike owners who want an easier install, better sound and a cleaner appearance without buying extra parts. It delivers on sound and convenience, but prospective buyers should verify mounting compatibility to avoid minor fitment work.

Frequently Asked Questions

Will this fit my 110cc pit bike?
It is designed for 28mm inlet systems and lists 90cc to 125cc pit bikes as compatible, but confirm your exhaust inlet measures 28mm before purchase.

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

Will it increase power?
Many customers noted a modest increase in power along with improved sound, though gains depend on engine setup and tuning.