51mm motorcycle universal exhaust pipe muffler,kkmoon frosting stainless steel exhaust silencers mufflers compatible with motorcycle atv dirt bike kkmoon the motorcycle replacement exhaust pipe has super cool appearance, great replacement pipe for most motorcycles. features: heat resistance and anti-corrosion. 51mm universal connection diameter. fits most motorcycles and atvs. make your motorcycle roar with outstanding sound. comes with spring hooks and welding connectors for quick installation. specifications: color: as shown in the pictures, 9 optional colors material: stainless steel connection diameter: 51mm package size: 40 * 11.5 * 11cm / 15.7 * 4.5 * 4.3in weight: 1122g / 2.5lb package list: 1 * exhaust pipe 1 * set of mounting hardware