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Message: <blockquote data-quote="Ruger" data-source="post: 53710" data-attributes="member: 1594">Howdy, Viper.  When you get it, you'll notice that there are two gaskets provided for the purpose of sealing the top edge of the air box against the hood.  But they're only for the inboard and front edges.  The back and outboard edges don't get sealed because one of the gaskets (I think they call it weatherstrip) is for the Raptor and the other is for other F150 models.  Then there's a big warning at the bottom of the instructions that says that it's on you if the filter gets wet.Well, okay, here's what I did.  I used both weatherstrips.  I used the specified one where they tell you to use it, and I used the other on the front and outboard edges.  I sure don't want the filter getting wet, and I think that weatherstrip on all four edges of the airbox ought to do it.  I've written them and asked if they have a filter wrap (other manufacturers call them "prefilters") compatible with the big filter for the Raptor, but they haven't answered.  There's one available for the oiled SynthaFlow filter but not one listed on their web site for the non-oiled SynthaMax filter for the Raptor.  The two filters are the same size, so why not list it for both?  Dunno.  I'm going to call them today and ask the question.I'd previously radiused the edges of the snorkel to enhance airflow as much as I could, but I was still a little concerned about the engine getting enough air at large throttle openings.  So, I got a 1.25 inch diameter radiator flex hose from Advance Auto, used the right diameter hole saw to cut a hole in the lower corner, inboard, front of the factory airbox, and shoved the hose into the hole from the front.  It takes a little work to jam the hose between the radiator and the headlight housing, but you can do it.  The rubber hose makes a decent seal against the edges of the hole in the airbox and friction keeps it in place, but I used a big zip tie to keep it bent downward a bit behind the rubber shield that's between the radiator and headlight housing.  That rubber shield also keeps water from being directly driven up the new air hose into the airbox.So that completes my installation.  It's working just fine.  AIRAID doesn't make any mpg claims, and that's honest of them.  I might be getting a tenth or a little more mpg better with the new setup, but that's not enough to be certain about.  The hesitation I used to get at abrupt throttle openings is gone.  I get instant performance.</blockquote>

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