uxcell Motorcycle Exhaust Pipe Silencer Muffler Black Product Name: Motorcycle Exhaust Muffler; Color: Black Material: Plastic,Metal; Dimension: 300 x 100mm/ 12 x 4 inches(L*D) Package Content: 1 x Motorcycle Exhaust Muffler Body Length: 245mm/ 9.6 inches Inlet Diameter: 38mm/ 1.5 inches