uxcell 3.7" Long 3.5" Inlet Exhaust Silencer Muffler Tip Product Name: Exhaust Pipe; Material: Stainless Steel Color: Silver Tone; Net Weight: 323g Package Content: 1 x Exhaust Pipe; Dimensions: 9.5 x 10.5cm/ 3.7 x 4.1 inches(L*Max.D) Inlet Dia: 89mm/ 3.5 inches Outlet Dia: 80mm/ 3.1 inches