Sorry, I don't know where one can find Weber trumpets, but I would not
recommend stuffing a bit of foam in the trumpets. First, this probably will
not filter very well, and will clog quickly. Second, if there's enough foam
to filter correctly, the thickness/surface area ratio will be too large for
anything resembling air flow. Thirdly, foam in the trumpets will likely
negate any inertial/harmonic ramming effects of said trumpets. K&N makes a
filter that flows well and fits over Weber trumpets, so if there is space in
your particular installation, I think that would be the best way to go.
Michael T. Chaffee
mchaffee@sumter.cso.uiuc.edu
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