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Old 04-25-2012, 07:32 PM   #5 (permalink)
seantobin5
EcoModding Lurker
 
Join Date: Apr 2012
Location: Denver, CO
Posts: 14

Civic HX - '98 Honda Civic HX
90 day: 42.53 mpg (US)
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How much will a cold air intake increase the gas mileage by? I'm trying my best to keep the car all stock because I don't want it to be seen as a ricer with a Folgers exhaust or a cheap CAI or anything... Thanks!
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