Air Intake Systems
Hello & Welcome!
Good choice. Probably the best of the lot since the demise of AirForce One (the company, not the plane
)Steer clear of the Sphincter (a.k.a. Spectre) CAI, and anything with a Volant name on it. Total junk.
Also - please be aware that yer '04 may have a pre-existing lean tendency - which will be exacerbated by an aftermarket CAI. Will likely need tuning to alleviate safely.
Consider the intake mod here: https://www.f150online.com/forums/ar...04-2008-a.html
Cheap & effective - and Safe.
Good luck sir.

MGD v5.0
Last edited by MGDfan; Apr 26, 2010 at 12:12 PM. Reason: spellin'
If you have the 5.4, you will need custom tuning to be sure you are not running lean on a 2004. You might be ok, maybe not, but you need custom tuning anyway to take full advantage of the CAI.
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Jim
Jim
You need to read this and then spend some time reading in the Chips and Tuner forum.
https://www.f150online.com/forums/ch...unes-read.html
https://www.f150online.com/forums/ch...unes-read.html
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Jim
Jim




