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Has anyone installed 2004 F-150 5.4L 3v Headers & Exhaust System yet?
I am checking on JBA and Magnaflow and can't decide which one to go with.
Also my local race shop told me the K&N air filter box & filter kit makes the check engine light come on and they have not figured out how to fix it yet, anyone have that problem?
I will eventually put headers on my truck.. Im thinking I will do it next summer. Kinda short on cash now and christmas is coming up too. So prolly spring or summer the headers will go on. I dont really know what company to go with right now. Hopefully the prices will go down by summer time also.
Drop a line if you decide to get the headers. Tell us about them.