............Richard you pro DPF or not maybe you could do some research on the amount of air boure pollution caused by smokers and the other "crims" by DPF deleteThere is a difference MB USA and the real culprit MB Vans USA
I have mine on my tin can MB made in Australia dam it's held up well over the years.
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I love Sprinting in Tasmania with the windows down .I can smell the fresh air it lets that old tobacco smoke, out the other window.
I should be shot for polluting the atmosphere.
Richard