mechanic wrote:

Andy Burns wrote:

My non-DPF honda used to smoke under hard acceleration, the easiest time
to tell is when someone is following you up a motorway on-ramp at night
with their headlights on. My DPF Audi certainly does not smoke.

How is it on NOX

I could give you a 'paper' answer, but you'll say the test was rigged,
so I'll simply say that I don't particularly care ...