I've got a 07 charger, black on black who's in desperate need of a system overhaul.. In the bass dept anyways. As of now I have a kenwood HU, 4 kenwood excelon tweeters, 4 kenwood excelon 6x9 powered by two 250 watt Sony explod amps (one amp per 2 6x9's and 2 tweeters) two 12 performance technique subs in sealed box powered by pt 2000 watt amp, the bass dept is horrible, sounds like one 10. The highs and mids are ok it's really clear and loud. I'm thinking of getting two 18 fi's and not sure which amps, or amp to get. I heard hifonics is good, Rockford t3000, sundown etc. I'm probibly going to need to redo my electrical, irragati HO alt? Mult batts? Anyone have any suggestions on helping me complete the dream system?