best is a very subjective term, ya know? and you may need to be more specific... best sq? highest spl? best install? etc...

best SQ has to be bob johans (SoundQ SVT).
i really couldn't answer the rest.

02 Mustang GT... Tuned by Nelsons. Low 12's, anyone? .....______ ___|______\_____ |/-\_________/-\_| .\_/...............\_/