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I am about to undertake some changes on my 2011 Focus 4 dr. I have been working on my driving style. I average 31mpg and up to 47 mpg on hwy. The sweet spot seems to be 60-65 mph on the hwy.
Putting eco tires on as soon as they get here. Cut sheet metal for under body seal all looks good only open area near front. Adding vortex generators to brake up air. I hope to get at a consistent 45+ on hwy. Hope to add instant mpg gauge next month.
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