Quote:
Originally Posted by diesel_john
looks good, can any air get in below the bumper...
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Nope, pretty well sealed. Factory air dam is lip-mounted to bumper's lower edge. My air dam extension is screwed to lower edge of that, nearly a perfect seal. Factory one has holes that feed to the radiator. Well, have to admit that the ducting/baffling is not perfect there. That's something I could address, I could build some additional panels into that system. Thanks for making me think of that.
Anyway, the bottom panel is a lot like the one in diesel_john's thumbnail diagram, its joined to the air dam's lower edge via a bunch of small angle brackets, all the way along.