Quote:
Originally Posted by oil pan 4
DPF trucks are an illusion. They still put out plenty of soot it's just the soot they do make is 1 to 2 nano meter so you can't see it.
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Yes, the exhaust coming out of a DPF filter isn't completely soot free. However they do significantly reduce the volume of soot. The idea is to take carbon + O2 + heat to make CO2.