If your thinking about this monster you might want to invest in a new alternator. Or have your current one rewound to squeeze everything out you can. I know several people running shredder's. They **** some serious juice. Are you going to use this for daily listening ?Originally posted by Kighzer Looking in to the EARTHQUAKE PH-D22,000, Didn't know how much of a cap I would need. //content.invisioncic.com/y282845/emoticons/confused.gif.e820e0216602db4765798ac39d28caa9.gif