MagnaFlow Direct-Fit Catalytic Converters by Car Sound are designed for easy bolt-on installation for the Professional Installer. Welding, cutting and tube bending equipment is not required. Each is designed to exact original equipment specifications. The Direct-Fits are available for the most popular vehicle makes and models. PartNumber : mag51382 Description : Direct-Fit OBDII Catalytic Converter; OEM Grade; Excl CA Models 2003-2005 Mercedes-Benz C240 4Matic V6.2597cc Exhaust, Mufflers & Tips::Catalytic Converter Direct Fit 2003-2005 Mercedes-Benz C320 4Matic V6.3199cc Exhaust, Mufflers & Tips::Catalytic Converter Direct Fit