Dose anyone know what the amp specs are on a 97 ford expedition with the eddie bauer or how ever you spell his name and mach III system are? I"ll tryed google and the manual and all i found out is that the sub is a 8" sub. Any one know how much the factory amp dose and at what ohms? it came with cheap paper sub and i wanna replace my dads woofer in his truck. I also took out the sub and looked at the amp and it didnt say anything on it.//content.invisioncic.com/y282845/emoticons/confused.gif.e820e0216602db4765798ac39d28caa9.gif