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Whats the best intake

1011 Views 9 Replies 9 Participants Last post by  Mark Craig
I am looking to purchase a aftermarket intake for my 03 F250, any suggestions
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There is a definite performance gain with an aftermarket filter.
With that said, diesel engines need CLEAN CLEAN air.
Many guys are willing to use K&N and other lousy filtration devices like Air-Raid.
All well and good if you trade in every three years or so.

I recommend the best of both worlds, and that's an AFE ProGuard-7.
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