Cold Air Intake

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Bear1209

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What is everyone's experience with installing a cold air intake on the 4th gen expeditions? Was there any worthwhile increase in gas mileage? My first truck was a 2003 V6 F150, which I installed a K&N CAI that provided about a 2-3 mpg increase.

Also, from what I've read online it should not void the powertrain warranty, but does anyone have knowledge otherwise?
 

aggiegrad05

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What is everyone's experience with installing a cold air intake on the 4th gen expeditions? Was there any worthwhile increase in gas mileage? My first truck was a 2003 V6 F150, which I installed a K&N CAI that provided about a 2-3 mpg increase.

Also, from what I've read online it should not void the powertrain warranty, but does anyone have knowledge otherwise?
You might read through some of these threads as there has been some good info thrown out already.




 
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Bear1209

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You might read through some of these threads as there has been some good info thrown out already.




Thanks. I had tried searching the forum with little luck, so this really helps out.
 
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