Subwoofer question on 1999 ford expedition?

DUh yea its gonna sound loud! I had 4 ten inch woofers in my blazer and it slapped!! you could hear me coming down the block!! but I dont think you want all that...that has kinda played out...you want to be able to hear the beat and base and treble and all that but you def want a crisp clean sound to not all distorted...go to best buy or somewhere like that where youc an get a warranty on the work that ur getting done...ur gonna need an amp too