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Old 03-18-2010, 04:04 PM
garythiv garythiv is offline
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Power Upgrades

My wife and I recently bought an '09 Expedition Max with the 5.4l motor. After fueling it for the 4th time in 6 weeks, I was wondering if anyone has any experience with cold-air intakes, exhaust system upgrades or the various plug-and-play programmer chips, with the goal of more power and maybe a few more mpg's. thanks
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Old 03-18-2010, 07:45 PM
eddiemoney eddiemoney is offline
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Talk to Mike at Five Star Tuning. . .. .I won't promise anything amazing, these things are amazingly well tuned for MPG. .. . but there is definitely room for more HP.
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Old 03-19-2010, 10:23 AM
garythiv garythiv is offline
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Thank you....maybe I should elaborate....we also live in Edmonton, AB, Canada...so Five Star in South Carolina is a bit of a commute...lol
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Old 03-19-2010, 11:39 AM
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The exhaust and intakes will do little or nothing without a custom tune. Even with a tune, you won't see a noticeable increase with either. For MPG increases, the intake is a waste of money. Look at the manufacturer's sites; most show the hp increase at over 3500 RPMs. If you're trying to save gas, why would you be at 3500 RPMs?

You can get custom tunes (which will provide the most hp increase) via e-mail/download.

The most experienced and reputable are SCT (can be tuned by VMP, PHP, and Troyer) and the Gryphon (tuned only by PHP).

VMP Tuning Inc
Troyer Performance
Power Hungry Performance - Feed your hunger for POWER! Check out our Gryphon Programmer for Ford vehicles!

As far as MPG, I can absolutely guarantee that you might see an increase with a custom tune. Typical increases are from .5-3 MPG.

These are large, heavy vehicles. Best MPG increase will come from a very light foot and maintaining the speed limit.
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Old 03-19-2010, 04:25 PM
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Ambient air intakes=waste of money.

Lighter on the gas pedal, turn off a/c, have tires fully inflated will get you the max MPG.
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Old 03-19-2010, 06:10 PM
eddiemoney eddiemoney is offline
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Quote:
Originally Posted by garythiv View Post
Thank you....maybe I should elaborate....we also live in Edmonton, AB, Canada...so Five Star in South Carolina is a bit of a commute...lol

You don't have to go there, they will ship them to you. It can ALL be done remotely.
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