Diesel Particulate Filters relates metallic or ceramic substrate. quality certificate pass ISO/TS16949 Diesel Particulate Filters HY Automotive professional manufacture universal Diesel Particulate Filters. Quality control pass ISO/TS16949 and catalyst reach EURO5/EURO4/EURO3/EURO2/ CARB OBDII/ EPA. HY Diesel Particulate Filters has successfully installed in cars, buses, trucks, and various ...