seems like a lot of you have 05+ mustangs and these pioneer systems in there. i have read through many of these and i dont know what any of this oss and all of that means(ive always had my stuff installed by a buddy at ultimate electronics).. i have heard if i get an avic-d3 and get rid of my shaker 500 the front 2 speakers won't work... is this true? can anyone tell me the wiring i will need to buy in addition to whaetver comes with an avic-d3 for it to work in 06. recommend new front speakers if i need them too... im sure someone can help me out here thanks