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I can maintain lean burn on the highway as high as 80mph in my insight. I'm going to say this once, and I'm not going to try to argue my point past this.
You will regret not going insight rims/HX rims w/Re92's. Any tire that is 'taller' that will decrease cruising speed RPM is going to be minimum 5lbs heavier that an Re92. All MPG gains from that will be negated by increased surface contact, higher rolling resistance and increased rotational mass. The laws of physics don't allow a tire with more mass made of the same material to weigh less. That's just the way it is.
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