Quote:
Originally Posted by Greenman7612
Well, if the CO is fully combusted to CO2 you will get more energy and save catalyst life.
So I'm suggesting mph might actually improve a bit.
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I can see that. With blizzaks on, I'm ranging ~21-23 lately when before the flash I was getting ~19-21. Hwy driving seems pretty much the same but the city number isn't so dismal.