Fits 50cc 4 Stroke Chinese Scooters. for GY6 139QMB QMB139 1P39QMB 4 Stroke 50cc Chinese Scooters
Fits on many models of GY6 Scooters and Mopeds Four Stroke 50cc with the GY6 QMB139 series motors. Comes with brackets welded to the pipe for the GY6 50CC application (some modification may be required).
Exhaust System Fits 50cc 4 Stroke Chinese Scooters GY6 50cc, QMB139 50cc Based Chinese Scooter Engines.For Chinese Scooter Parts Gy6, 139QMB, 1P39QMB,50cc Chinese Scooter Performance Exhaust System 4 Stroke
This is the Aftermarket Exhaust for Replace your older one. So it May NOT 100% Compatible with the Original Exhaust. It Need the Professional Working Knowledge of the Exhaust System. Such as Cut the Exhaust Tubing; Clamp the Tubing Together;Spot welds around the circumference of the tubing;Weld the Gaps prevent leaks from developing in the future. Please seek the professional to complete the job or follow their instruction.
Here is a rephrased version of your line:
"This is an all-inclusive performance exhaust setup featuring a head pipe, an adjustable muffler, along with gaskets and installation hardware."
Muffler is approximately 3.5" in diameter x 12" long (not including the exhaust tip).
This is a great Performance up-grade when installing a big bore kit or a great replacement exhaust for a broken stock exhaust system.