well i have twin 6 1/2 in stacks and i just love them but drone of the stacks arnt that bad after a while u get usta it and u dont notist it unless u have the windos down even then i dont relly hera it but hey do sound gooood and there grate for when somone is ridden your talgate u just lug it and they will back off rell quic so yea but do take a ride with some one that hase stacks and do a long ride not a short one because then u can defntley make your desison sorry for spelling if u lived in idaho around grangeville area i wuld let u listen to mine take er easey