Re: Cold air intake vs Stock
But the stock ford intake has worse filtration than some of the intakes that u could replace it with. All I know is if u go cold air. Stay away from k&n. My truck is basically stock other than a chip and I love my 6637.
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f-250 7.3L powerstroke superduty xlt sc sb 4x4 offroad, pure turbos 360 turbo rebuild kit,
mile marker 449 s/s hub locks, php phoenix 6 position chip, diy 6637 intake, 140k and rollin strong