2 ms·Adblue is about NOx, you want a separate particulate filter.by adrianN 5y agoAdblue is about NOx, you want a separate particulate filter.2143 5y agoI thought newer diesels already came with particulate filtersadrianN 5y agoYes, that's why newer diesels have relatively clean exhaust once they've warmed up enough for all the exhaust treatment systems to work.