I did use the Black Diamond Racing Cones, #3 cones under my CAT SLI MkII. Great results and you can find them used cheap.
The CAT weighs alot so I did not need to add weight on top. If you do make sure the ventilation is not restricted. This will help limit vibration.
Good Luck.
The CAT weighs alot so I did not need to add weight on top. If you do make sure the ventilation is not restricted. This will help limit vibration.
Good Luck.