Would the stock speaks handle 70rms? And are they 4ohms? It is a crew cab titan with the stock 6-cd changer. Otherwise a set of comps for ~$70 each, i saw these guys but not sure.
http://www.onlinecarstereo.com/CarAudio/ProductDetail.aspx?ProductID=16381
http://www.onlinecarstereo.com/CarAudio/ProductDetail.aspx?ProductID=16381