Thread: anyone ever figure out what xfi means??
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Old 11-18-2008, 06:15 PM   #1 (permalink)
shanksyamaha
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Join Date: Nov 2008
Location: Upstate NY
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Super Sipper II - '93 Geo Metro XFI
90 day: 44.8 mpg (US)

Super Sipper - '95 Geo Metro lsi
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anyone ever figure out what xfi means??
They must have had something in mind with those letters

Xtreme Fuelmileage Increaser ??
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