F250 5.4 Performance
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Joined: Sep 2013
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F250 5.4 Performance
I have a 2007 F250 5.4l ext cab. I am pretty unfamiliar with this engine, but I use it quite often so I'm not looking for ridiculous amounts of modifications. Mostly what I want to know is what kinds of aftermarket performance parts I should look into for this truck. I'm mostly looking at intakes and exhaust systems but fitting seems to be an issue. I Mostly want more power but increased mph never hurt. Since it's the F250, I haven't seen many people posting on what parts they're getting. Any other ideas or input on things I should look into will help.
Fleet Mechanic
Joined: Aug 2008
Posts: 1,446
Likes: 9
From: NE Iowa JD Country
I have a 2007 F250 5.4l ext cab. I am pretty unfamiliar with this engine, but I use it quite often so I'm not looking for ridiculous amounts of modifications. Mostly what I want to know is what kinds of aftermarket performance parts I should look into for this truck. I'm mostly looking at intakes and exhaust systems but fitting seems to be an issue. I Mostly want more power but increased mph never hurt. Since it's the F250, I haven't seen many people posting on what parts they're getting. Any other ideas or input on things I should look into will help.
check your door tag for the axle code....if you trailer often and you have a 3:55 axle ratio....then you would be happier with 4:10 minimum...if you trailer heavier loads...then a higher numeric number will be better (4:56 or 4:88)
a tuner will help firm things up as well...giving the butt dyno a better feel
Intake mods are probably not going to do much but but lighten you wallet.
Exhaust mods....some gains can be had but with Long tube headers only and then some what minor improvements....with the LTH comes a hefty price of modifying the entire exhaust system.
really it depends on you what you want to gain & how much $$$ you can throw at it.
Lead Driver
Joined: Nov 2008
Posts: 8,450
Likes: 70
From: South Jersey
do a gear swap and leave EVERYTHING else alone, the intake on Fords flow more than the motor will ever need so keep your money, exhaust wont do anything either but give you louder exhaust. Ive been through three different exhaust, different intake, installed headers etc etc custom tuner and the ONLY thing that helps the 5.4 motor is swapping in lower gears
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