Exhaust System / Muffler for GY6 150cc Scooter - BLUE 108799 Mounting hole measurement on front:

Mounting hole measurement on front: 2 5/8 inches center to center (3 holes total)

Know to fit the Pep Boys Mini Baja Doodlebug

53mm (3/8 in)

64mm valve length

OE Jonway part

Exhaust System / Muffler for GY6 150cc Scooter - BLUE 108799 Mounting hole measurement on front:Short Performance GY6 150cc Scooter Exhaust System BLUE This exhaust is known to fit many GY6 150cc scooters. In some cases this exhaust system may NOT just Bolt On. Some modifications to the inlet pipe and mounting bracket may be required. Please verify the measurements before purchasing this exhaust. May fit other makes and models. Exhaust details: Muffler length: 25. 4cm (10. 0 in) including exhaust tip 6 mounting holes to mount pipe to muffler.