This customer was told by a reputable Austin Car Audio Shop that there was no way to put subs behind his seat. They told him that he would have to put them into a custom center console. Well as you can see we were able to place a ported 10" sub behind the seat with very little difficulty. we originally had 2 10's behind the seat but the customer liked the sound and feel of a ported enclosure. The only drawback is that the seat does not fold up anymore. This was not a problem for the customer since the amplifier is under the seat anyway.