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Thread: Rear diffuser?
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Old 04-18-2012, 01:18 AM   #85
darkangelism
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Join Date: May 2011
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What I Drive: 2012 Focus Titanium Hatch

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Quote:
Originally Posted by SelfNicholas View Post
If those MPG claims are valid, I will most definitely be purchasing one.
at 1mpg improvement it would take 150 tanks to break even, which is about 4 years at 12,000 miles a year. at 10mpg improvement assuming the front is the same price, or $500 total, it would take 30 tanks, less than 1 year to break even. Probably worth it either way unless you plan to sell sooner than that.
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