Dear Sir Madam, Type:Catalytic Converter Emission standard:EUII, EUIII, EUIV, EUV Shape:Round, oval, racetrack, rectangle or abnormity density:100-900 CPSI Shell material:Stainless steel Core material:FeCrAl Braze welding:Nickel-based solder Thickness of foil:0.03 to 0.1mm Application:Motorcycle and all types of vehicle