Anytime Luke! On our 7.3's if you take out the stock air cleaner box then you can install a big air filter model#6637 which is a paper element that is open to the air. It is a poor mans cold air intake that works extremely well. There are guys pushing 500hp using these filters. This guy Pete (f250_) on here came up with this idea for a cover for them that can have writing on them. Here is a link to his website with photos of the covers on the filter:
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