I figured I would toss this up so we wouldnt get anymore threads on what to use inorder to hook up an aftermarket sub/amp combo using the stock headunit!!
If you want to hook up an aftermarket amp/subwoofer combination with the factory head unit here is the link to some of the interfaces that you can use in order to do this.
http://www.scosche.com/scosche_caraudio ... egoryID=36
They have been used by numerous people and work great, can't even tell that they are on there!! There are probably more than what you see on this link but these are the most used and a good place to start!!
If you want to hook up an aftermarket amp/subwoofer combination with the factory head unit here is the link to some of the interfaces that you can use in order to do this.
http://www.scosche.com/scosche_caraudio ... egoryID=36
They have been used by numerous people and work great, can't even tell that they are on there!! There are probably more than what you see on this link but these are the most used and a good place to start!!