very nice ,I'm running 2 alpine type r swr-10d2 in custom made box , alpine 1100w monoblock amp , 600w twister 4 channel amp , alpine active crossover ,alpine type r components in front , alpine type s in rears ,2 infinity 3 ways ,2 alpine 2 ways on custom shelf behind rear seat ,sony multimedia head unit ? good job its an estate other half not happy when we go shopping we have to put it on rear seats, but I tell to catch bus,,,,,,,,,,,,,,