Exhaust Muffler Pipe Resonator Car Tube Spiral Silencer Deep Sound Inlet 63mm 2.5inch 51mm 2inch Outlet Stainle Steel Weld-on Specifications: 63mm and 51mm are outer diameters, not inner diameters.Features:63mm 100% Brand New and High Quality. Product name : Exhaust Muffler Material : Stainle Steel Color : Chrome Overall Length : Approx. 410mm /16.14" Inlet Inside Diameter : Approx. 63mm / 2.5" Outlet Inside Diameter : Approx. 63mm / 2.5" Surface Finished : Polished Chrome Body Type : Round51mm 100% Brand New and High Quality. Product name : Exhaust Muffler Material : Stainle Steel Color : Chrome Overall Length : Approx. 410mm /16.14" Inlet Inside Diameter : Approx. 51mm / 2" Outlet Inside Diameter : Approx. 51mm / 2" Surface Finished : Polished Chrome Body Type : RoundPackage Included : 1 x Exhaust MufflerNote:1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightne of your monitor and light brightne.2.Please allow slight manual measurement deviation for the data.3.Any iues or questions please feel free to contact us, we are always here to satisfy all of you. Products Show About u