Thread: exhaust and muffler for a 1990 Geo Metro base model
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Old 03-12-2009, 12:34 PM   #3 (permalink)
hummingbird
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Join Date: Dec 2008
Location: Noida, UP, India
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City - '04 City iDSI EXi
90 day: 47.47 mpg (US)
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Ryland, pardon my ignorance, but what is exhaust 'tuning'? Could you please elaborate? Thanks!
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