^^^^ thats what i was going to say, but it appears as though they are no longer manufacturing them. ( according to a product search on their site.) I'd give them a call and see if they have any left, or could direct you to a dealer that has one in stock
their cowl was 2.5", part #1188
they also had a ram air version, part #1189
**edit** if you look it up under 2008-> Ford-> Super Duty-> f250 (or f350) it doesn't show up, but if you search 2008-> Ford-> Super Duty-> Super Duty it does
Good Choice - I don't think you'll be disappointed! I liked the Ram Air one better for looks but was afraid of sucking in Beach Sand. I'm on the beach on a regular basis, so it was a concern. The cowl hood's finish was excellent, the fit was excellent and I loved that they finish the inside too. Post some pics when yours' is done!
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