Just want to let you guys with 05-07 mustang know about this. We are now selling the Rockford Fosgate 12" sub with apm Shaker 500 upgrade. These were used in the Saleen Extreme and the kits are 100% completely plug and play. We are selling them to HPS members for 470.00 shipped. Check out the link for more info.

http://www.stage3motorsports.com/pro...Amplifier.html