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post #1 of 4 (permalink) Old 06-11-05, 10:48 AM Thread Starter
04 EB Expedition,5.4L 2wd
 
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cool Increased Expedition Performnce???

Does anyone have any results from adding aftermarket parts for increased horsepower or mileage? Catback or cold air intake or throttle body changeouts?

Thanks for the info!!
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post #2 of 4 (permalink) Old 08-09-05, 12:29 PM
CLW
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cool Re: Increased Expedition Performnce???

Quote:
Originally Posted by Gripitnripit
Does anyone have any results from adding aftermarket parts for increased horsepower or mileage? Catback or cold air intake or throttle body changeouts?

Thanks for the info!!
I just installed a FIPK (on 2004 Expedition 4wd) yesterday, still a little to earliy to tell, but message center has mpg up from 15.2 to 17.6. That drops when my foot is in it. Have not dyno'ed the Expedition but can tell a great improvment as far as horsepower both off the line and rolling. Hope this helps.
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post #3 of 4 (permalink) Old 09-02-05, 08:56 PM
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Re: Increased Expedition Performnce???

I have added to a 98 Navigator 4WD:

Custom 3 inch true dual exhaust, with flowmaster 40 series mufflers
Powerdyne 9 PSI blower
throttle body spacer
20 rims with 305/50/20 Goodyears
Crossdrilled slotted rotors

I am running in the 310 HP range, and have a little more computer tweaking to work through
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post #4 of 4 (permalink) Old 01-19-06, 07:10 PM
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Re: Increased Expedition Performnce???

Quote:
Originally Posted by Gripitnripit
Does anyone have any results from adding aftermarket parts for increased horsepower or mileage? Catback or cold air intake or throttle body changeouts?

Thanks for the info!!

I put in an K&N air intake kit. Took about 90 minutes to install. Felt immediate horsepower gain. Engine sounds sweet too with a nice growl under hard acceleration. You can find a K&N kit on ebay for $180 - $220 delivered.
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