




FVRITO’s High Performance Exhaust Pipe Muffler Silencer Assembly Kit is a full one-piece exhaust replacement that gives 70cc–125cc Chinese mini dirt bikes a deeper tone and improved breathing from head pipe to tail.
This exhaust kit is built as a complete assembly—head pipe through muffler—and fits a wide range of small-displacement off-road bikes and their Chinese-made clones. It’s designed for riders who want the throaty sound of larger motocross machines and a freer-flowing exhaust for both lightly modified and stock engines. The kit ships with the muffler, head pipe, gaskets, mounting clip, and a screw kit so you can install it with common hand tools.
The kit is compatible with many 70cc–125cc Chinese four-stroke mini dirt bikes and specific Honda models. It fits Honda CRF50 and XR50 and many Chinese models such as Apollo DBx14/DBx18, SSR SR110/SSR125, TaoTao DBx1, Lifan 50cc, Coolster 125cc, and numerous clones from brands like Roketa and Kayo. It does not fit XR100x, XR70, CRF70F, RFZ 125, or other non-listed models.
The exhaust is engineered to create a deeper, throatier note similar to larger motocross bikes while allowing the engine to breathe more freely. On lightly modified or stock engines, riders commonly notice improved exhaust flow and a fuller sound profile without complex tuning. Performance gains depend on the bike’s current setup and any additional modifications.
The kit includes everything needed to mount the exhaust: the muffler, head pipe, metal clip, rubber gasket, two gaskets, and a screw kit. Key dimensions include a removable pipe guard, a 28mm head diameter, and a 45mm eye-to-eye mount measurement. These specs are useful to confirm fit before ordering.
Installation is a straightforward bolt-on job for mechanically competent riders and mechanics, using basic hand tools. Before purchasing, compare the head diameter and eye-to-eye measurement with your bike’s current exhaust. If you’re unsure about compatibility, contact the seller with your bike’s make, model, and photos for confirmation.
Who is this for: This FVRITO exhaust assembly is aimed at mini dirt bike riders, hobbyists, and small-shop mechanics who want a more aggressive sound and improved exhaust flow on 70cc–125cc four-stroke bikes. It’s a good choice for owners of CRF50/XR50-style bikes and Chinese-made pit bikes seeking a direct replacement that’s ready to install, provided they confirm fitment details before ordering.
Q: Will this fit my CRF70 or XR70?
A: No. This kit fits CRF50 and XR50 models but is not compatible with CRF70, CRF70F, XR70, or XR100x.
Q: Does the kit include all gaskets and mounting bolts?
A: Yes. The package includes the muffler, head pipe, metal clip, rubber gasket, two gaskets, and a screw kit.
Free shipping across Canada on every order, with no minimum. Orders are processed within 1 business day and standard delivery across Canada usually takes 2 to 5 business days after processing, with tracking by email. See the shipping policy.
Free 30-day returns. You have 30 days from delivery to start a return. Return shipping is free: email us your order number and we send a prepaid label. See the return & refund policy.
Not sure it fits? Email northtrailauto@gmail.com with your year, make, model and engine and we reply within 1 business day.












