Motorcycle Muffler General Purpose Silencer Slip-on Capton Muffler Total Length 550mm/General Purpose/Harley/Magna/Dragster etc./B185General purpose slip on Capton type plated silencer [Size Specifications] Material: Steel (iron) Color: Plated (silver) Size Total length: 550mm *There may be a 1 2cm error depending on the arrival lot. Inner diameter of socket: 45mm Inner diameter of adapter: 40. 36mm Outer diameter of silencer: 88mm Manufacturer: M's Corporation Brand: Dream Japan Product weight: 1. 5 kg Manufacturer reference: DJ b184 Discontinued by the manufacturer: No Product