are you refering to the hose from throttle body to air filter box the box or from box to inlet?if from the throttle to box you may be able to use a length of hose (appropriate size and strenght to keep it from collapse)
if the box you ha really one option tha i can think of and thats to build or modify a k&n type cone filter setup
if the inlet to the box .....basicaly dont wory about it unless you go into deep water and if thats the case a snorkle and many other mods need to be addressed first
of course you can siplify your life by just going to a junk yard and searching around as far as new i dont believe there is a company that carries them
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