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2004 to 2008 F-150 and Mark-LT 4.2L, 4.6L and 5.4L equipped F-150s and Mark-LTs. |
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where to start ????
I was curious where to start my performance upgrades on my truck ?
What I had in mind was a cai of some sort probably K&N and possibly a custom exhaust w/headers So do I do all of my upgrade I want and then get a programmer or does the order of mods make any difference ? |
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