[RodKnock]

I'm no expert, but there are those "kits" on the market that have plastic connections at the footbox with less expensive hose and then there are the original steel (I think) connections with better hose for a more "authentic" look.

Also, in the holes located in the mouth of the Cobra, you'll want to put "scoopers" or air directors for better air flow and make sure you add some wire mesh over those holes so that bees and bugs don't find their way into the interior.

Edit: Ahh, the good ole days when "rsimoes" was poking his head in around here.