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post #1 of 29 (permalink) Old 04-24-2013, 07:27 PM Thread Starter
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K&N Intake Good for Mpg?

I have a 2010 cobalt 2lt. An hear that k&n intakes are good for mpg. Idc about the power. I just mainly care for efficiency and mpg. Ive heard how the k&n intakes are just scams. So I'd like to know if anyone has any personal info about this?
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post #2 of 29 (permalink) Old 04-24-2013, 07:36 PM
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Does pretty good for me but it will do better with a tune to bring out its true power in it ..
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post #3 of 29 (permalink) Old 04-24-2013, 07:46 PM
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All aftermarket intakes no matter the brand will give you better mpg. Also pumping your tires up to 38psi


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post #4 of 29 (permalink) Old 04-24-2013, 07:50 PM
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Quote:
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All aftermarket intakes no matter the brand will give you better mpg. Also pumping your tires up to 38psi
Does that work for 225/40/18 for the 38 psi thing?
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post #5 of 29 (permalink) Old 04-24-2013, 08:02 PM
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Best thing to do is find out what the recommended inflation rate is and increase it by about 3-4lbs. I dont run too high anymore just because it's bad on the tires for racing. I believe that should work for your tires, but find out what is recommended as I said at the beginning.


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post #6 of 29 (permalink) Old 04-24-2013, 08:06 PM
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Quote:
Originally Posted by Blackbalts View Post
Best thing to do is find out what the recommended inflation rate is and increase it by about 3-4lbs. I dont run too high anymore just because it's bad on the tires for racing. I believe that should work for your tires, but find out what is recommended as I said at the beginning.
Lol I'll look on the tire
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post #7 of 29 (permalink) Old 04-24-2013, 09:01 PM Thread Starter
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Yea I got pirelies. Or however you spell it. Their about 38 when already warmed up. Also, debating on a short ram or CAI.
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post #8 of 29 (permalink) Old 04-24-2013, 10:42 PM
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I have a GMPP short ram and it's mostly for sound. However that, new fuel filter, fuel cleaner and 38-40psi helped the mileage some, nothing dramatic.

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post #9 of 29 (permalink) Old 04-25-2013, 12:02 AM
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Intakes don't always increase mileage. They can lower it of it throws off the air fuel ratio to much. A friend of mines dad put a k&n on his vue and it made it worse.

As for cobalts. I have the k&n and mine hasn't been getting great mileage from the get go, but when I first put it on I thought I noticed the instant mpg go up a little on the highway


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post #10 of 29 (permalink) Old 04-25-2013, 12:29 AM
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Why's my tire say 49 psi extra load Lol? Isn't max 38?
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