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- 2014 QX70 AWD
So what does it mean when the pipe is perfectly clean? From day 1, our '14 always had the black soot around the pipe, a normal thing to wash every week. But the last few months I notice it is no longer there.
I would rather not have the soot, but it's sort of weird that it quit appearing, obviously it's running different, good or bad (uhm)
you have a secret admirer that washes your tips unbeknownst to you?
