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it can do both. they can sound much nicer on certain vehicles and on others you wont hardly notice a noise difference. its really all in how you drive and what vehicle its being installed on. if you have your foot in the floor because you like the sound and the increased throttle response then common sense is it will decrease because you are putting it to the floor more. however, if your driving habbits stay the same then yes, you more then likely will notice a difference in gas mileage, for the good.
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∙ 16y ago
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Are there any automotive accessories that increase your fuel economy?
Yes. In my exprience a cold air intake and an exhaust can increa fuel economy. It gives the motor more power so you step on the gas less. Also a modified fuel injection system with proper air mix ratio can increase economy but may decrease power.
Does decrease mean cold or hot?
temperature decrease is cold temperature increase is hot
Does cold air increase or decrease water density?
decrease
What does cold air intake systems different than a stock air intake on vehicles?
A cold air intake will increase your horse power
Does a cold air intake increase mpg on a stock turbo car?
I have a 2003 Saab 9-3 2.0t Linear. and i was wondering if i put the K&N 57I intake in my car, will it increase MPG on my car? some people say cold air intakes decrease turbo lag but wouldn't that cause less MPG?
Will you damage your engine if you remove its cold air intake?
You will not damage your engine if you remove its cold air intake. The cold air intake system is merely added to increase engine efficiency and performance.
Can a cold air intake make your car faster?
A cold air intake can either work for or against you... it can increase your horsepower, and thus lead to improved performance, but only if it still allows you to maintain the ideal stochiometric ratio (the fuel/air mixture)... otherwise, it'll decrease your power and fuel mileage.
Does a passing cold front increase or decrease air pressure?
it decreases
Does water increase or decrease when it is left in a cold place?
it remains the same
How can you increase horsepower on 2002 dodge 1500?
cold air intake
Does airflow increase when you put your cold air intake next to your fan?
No
Would your gas mileage decrease because your computer cannot compensate for extra air flow from new cold air intake?
There is a theory that the cold air is actually bad for fuel economyIt has to do with the idea of air density at different temperatures changing the energy loss from the compression of the intake charge.Basically at low throttle settings you will get better economy if the intake air is hotAt high power settings you will get better power and economy with cold dense air from you cold air intake. So under heavy work conditions the cold air intake helps, puttering around with no load its going to be worse.The ComputerThe computer will turn on the check engine light and set a code if it can't adjust to the change, so I discount this idea.
