Finaly a Subwoofer enclosure that will sound great in an Acura MDX. This is what the MDX owners have been waiting for. it will fit 2001-2006 Year models. It will replace the lousy factory Bose infinite baffle Subwoofer. It will house a subfoofer up to 6.95" of mounting depth. This is truly a Hidden and out of the way design. Have your bass with no loss of space.