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  #13  
Old 10-08-2012, 08:23 PM
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Re: CAI newbie question.

yes
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Old 10-08-2012, 08:30 PM
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Re: CAI newbie question.

heres a link to some intakes that will fit a 4.7,

2007 Jeep Grand Cherokee Air Intakes | Cold Air Intake


i run the injin
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Old 10-08-2012, 08:30 PM
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Re: CAI newbie question.

The odds of you gain 5 mpg on a CAI are very unlikely. CAI are going to give you more performance at higher RPM. You want a tune if you are looking for a gain in mpg's on top of a CAI. The larger rubber and the lift has been what impacted your mpg's. A tune could assist with this if you are driving economically. Honestly any CAI that deletes the Resonator will work similar to the others. I like the air intakes that have the closed box, but it really isn't that necessary. If you want 20 mpg's you are probably looking at a CAI, tune, and exhaust. So probably around $1'000 for all of that.

I would look at a tuner first. There should be some good options for you.
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