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Old 04-08-2011, 07:01 AM   #13
sickpuppy1
 
Drives: 2010 Yaris Sedan
Join Date: Feb 2010
Location: Kansas
Posts: 871
OK, but realistically, If all your doing this for is fuel economy, its a waste of time and money for you. With a CAI you may get 1-2 mpg better. Now, figuring the miles you gave above( 25000 left on warranty, about one year) and IF you are getting 40mpg now, that would be 625 gallons of gas. Getting 42mpg would be 595 gallons for that same 25k miles. So 30 gallons per year. Or at 3.50 per gallon thats 105.00 dollars per year, or 4 years just to recoup your investment before you start saving money. Granted, higher gas prices bring that time down. But if fuel economy is all your after, alter your driving or look at the whole picture with other stuff, like bumping tire pressure or lowering weight etc. CAI is more of a performance mod to help the engine breath better at high RPM, with slightly better mileage as a bonus. I've heard as many bad things about k/N filters as I have good, but something makes me think the bad is from over oiling the filter.....
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