Downpipe Kit with 200CPSI Racing catalyst coverter for Mercedes Benz W176 (CL)A 45 AMG -made out of high quality stainless steel 1.4301 (SS304) -diameter before and after catalyst �76mm -200CPSI EU6 Racing Metal Catalytic Converter -100% perfect fit, replace OEM -less thermal load on the turbocharger -more power by reducing back pressure -significantly more torque -weight: 7,5kg Attention: Error message of the DME needs to be deleted!