"Got ma pimp cane, bitch!"

The following is from Blizzard, source here

  • The character must be able to equip both items.
  • Only uncommon, rare or epic items may be transmogrified. (exceptions: a select few of these items will be prevented from being used to transmogrify if they are inappropriate)
  • Items must share the same armor type (examples: plate for plate, cloth for cloth)
  • Weapons must be the same weapon type (exceptions: Guns, Crossbows, or Bows)
  • Guns, Crossbows, and Bows can be used to transmogrify Guns, Crossbows, or Bows.
  • Main hand weapons can only be used to transmogrify Main hand weapons.
  • Off-hand weapons can only be used to transmogrify Off-hand weapons.
  • One handed weapons can be used to transmogrify a Main hand or Off-hand weapon.
  • Using an item for transmogrify makes it soulbound.
  • Using an item for transmogrify makes it non-refundable.
  • Using an item for transmogrify makes it non-tradable.
  • Heirlooms and Account Bound items can be transmogrified.
  • Heirlooms and Account Bound items can be used to transmogrify.
  • Legendary items cannot be transmogrified.
  • Legendary items cannot be used to transmogrify.
  • Fishing Poles cannot be transmogrified.
  • Fishing Poles cannot be used to transmogrify.
  • Mailing an item strips its transmogrification.
  • Placing an item in Void Storage strips its transmogrification.
  • Vendoring an item strips its transmogrification.
  • The displayed enchant will be that of the currently equipped item.
  • There may be individual items that are excluded from being transmogrified on the basis that they were originally added to the game as absurdities. (examples: a weapon that looks like a fish, or a chest piece that is invisible)