air box

I am rebuilding an XS400 engine (see signature) and I do not have the Air Box, H-Pipe or Filters and they are expensive to get here in the UK (and they are ugleeeee!). I also don't want to try pods (K&N, Uni or otherwise) as this is my first engine build and I haven't even seen the thing...

I am trying to do an air box delete and I am looking for separate cone type filters but I can't find any. Anyone know where I can get some?

:banghead: :banghead: :banghead: The PO didn't have the air box to carb boots connected when I bought the bike (1982 Maxim, btw) and even with it bolted in place it's like the boots are 1/4-1/2" too short to run flush with the carburetors(nowhere near close enough for the hose clamps to...

Could someone running a stock airbox let me know if I have all the internals to use my air box (from an '82 Maxim)? If I do have everything, can someone explain how it goes back together? This is what was in the box when I bought the bike:

So... bought my 82 with K&N pods on it... I'm more of a 'keep it stock' guy - and want to put the stock airbox back on - how best approach this? I think I read somewhere that I have to pivot the engine to make it happen... is that the case?