




FLYPIG High Performance GY6 125cc/150cc Exhaust Muffler Pipe Kit is a complete 4-stroke replacement pipe designed to improve exhaust flow and fit many Chinese GY6 125cc and 150cc scooters when installed with proper clearance and mounting.
This exhaust kit is a bolt-on style muffler and pipe assembly tailored for popular GY6 125cc and 150cc 4-stroke engines. The finished assembly measures about 655mm (25.79 inches) in total length and includes the primary pipe, muffler shell, and welded exhaust tip sections. It’s made to match common Chinese scooter models but requires careful fitment checks because several GY6 variants and unrelated models are excluded.
Compatibility depends on your engine code and chassis layout. The kit fits many GY6 125cc and 150cc scooters, but it does not fit some specific models and non-GY6 platforms. Check the listed exclusions and measure mounting points before ordering.
Installation is straightforward for mechanically experienced users but requires attention to space around the dipstick and mounting brackets. The design uses welded joints on the exhaust tip that resist heat stress but can be damaged by collisions. Plan for a little clearance and basic hand tools; welding may be needed if joints are impacted.
Adding muffler plugs increases backpressure and can cause higher engine temperatures, especially under heavy loads. That extra resistance reduces the exhaust system’s heat dissipation and may shorten component life, so manufacturers generally advise against permanent muffler restrictions.
The exhaust tip is assembled from several welded joints due to molding constraints; these are durable under heat but should be inspected after impacts. Routine checks for loose fittings, gasket seals, and bracket integrity will extend service life. If welding is needed, the seller can supply guidance or a processing video to help with repairs.
Who is this for: The FLYPIG GY6 exhaust kit is aimed at owners of GY6 125cc and 150cc Chinese scooters who want a replacement or upgraded exhaust pipe with a close-fit profile and dependable welded construction. It suits mechanically capable riders who can verify fitment, allow necessary clearance for the dipstick, and handle minor installation adjustments. Do not buy this kit for excluded models listed above or for non-scooter applications like ATVs, go-karts, or trikes.
Q: Does this fit GY6 150cc 1P57QMJ?
A: No. This kit is not compatible with the 150cc 1P57QMJ model.
Q: Can I use a muffler plug with this exhaust?
A: Not recommended—muffler plugs raise backpressure and can cause higher engine heat and reduced component life.
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.










