Seems like this might be a good application for injection molded
     > plastic.   Polished Al or Stainless looks pretty, but otherwise, I
     > can't see the benefit of metal.  This isn't exactly a high temp environment,
     > even when turbocharged.  It strikes me that one of the vehicles that
     > I have owned recently had a bell mouth on the intake for some reason.
     > I'll see if I can find it and see if the diameter is right.
     >
     > Regards,
     >
     > Matt-

Matt, most of the motorcycle ones are moulded plastic!
Bill Jepson

 
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