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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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Do tunes have to be adjusted depending on what air filter you have? I have a K&N(cotton/oil ) air filter now. Looking at going back to a paper filter(possibly the aFe Pro-Dry ). But need to first know if tunes need to be tweaked differently to accommodate different filters.
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