Inlet Diameter: Approx. 38mm/1.5''

Fitment : 
For 50cc, 70cc, 90cc 110cc 125cc ATV, dirtbike or superbike.
Fit almost all of the ATVs from China. for Chinese GY6 50cc QMB139 Taotao Sunl BMS Lance Wildfire Moped Scooter 
Such as TaoTao, Buyang, NST, BMX, Coolsport, Kazuma, Sunl, Roketa, AIM-EX etc. 
Fits on a Honda CRF or XR50, 70, 90.
Fit Mikuni VM22-3847 Carburetor Predator 212cc GX200 196cc Engine Mini Bike Go Kart

Package includes:
1x Air filter