GOOFIT Exhaust Pipe Gasket for Honda Helix CN250 Elite CH250 Hammerhead Baja 250 Water-cooled Scooters Moped ATV Fit for Honda Helix CN250 Elite CH250 Baja Hammerhead 250 Water-cooled scooters Moped ATV Go Kart One week money back guarantee if not satisfied Outer diameter:38mm, inner diameter:26mm,PLEASE CHECK WITH THE SIZE BEFORE YOU BUY Arrival within 1-2 days (Sold by GOOFIT and Fulfilled by Amazon) Arrival within 7-15 days (Ships from and sold by GOOFIT)