Uxcell a16030100ux0710 Universal Motorcycle Tail Exhaust Pipe Muffler 280mmx60mm Sliver Tone Product name: motorcycle exhaust Muffler; material: Stainless Steel Package content: 1 x motorcycle exhaust Muffler, some install parts; Color: sliver tone Dimension: 345 x 60mm/ 13.6 x 2.4 inches); body length: 280mm/ 11 inches Outlet inner diameter: 20mm/ 0.8 inches; adapter hole diameter: 20mm/ 0.8 inches Inlet inner diameter: 22mm/ 0.87 inches