Exhaust Bolt Hole Spacing: 2 inches (51 mm )

Inner diameter at the cylinder head (18 mm)

Overall Length: 26 inches

Muffler Length: 13 inches

Exhaust Pipe Length: 13 inches
Complete exhaust for QMB139/50cc 4 Stroke Engines and 10 inch wheels.
Fits 50cc/100cc 4 Stroke GY6/QMB139 Engines with 10 inch wheels.
Note: 12 inch wheel engines usually require a longer exhaust that in most cases is attached to the RH shock absorber.
All Tao-Tao, Peace, Iceberg, Roketa, Baja, Baccio and many more scooters with 50cc 4 stroke engines. ATM50 , VIP50 etc.