You can get the lift springs, to stiffen them up, they are pretty cheap. Or look into OEm Shock they are $119ea on ServiceHonda.
The ones for the 2005 Foreman are $62.50 (Front) $54 (Rear) each so you may want to see if they will work. They will probably ride better as well.
The ones for the 2005 Foreman are $62.50 (Front) $54 (Rear) each so you may want to see if they will work. They will probably ride better as well.