thanks memphis and everyone else answering my questions. One other question im running a 4 channel Mb quart amp for my Highs and that alpine Amp what kind of kinetic should i get to throw in the back ? Dealing with a stock alt and stock battery under the hood being i just bought the car brand new in dec didnt wanna change too much stuff under the hood for warranty reasons hopefully they wont bother me about the Big 3 think they will ? but anyway thanks much