I have a new Kicker 2500 watt amp and 2 new 15" Kicker L7's. I have a touchscreen Clarion and all kicker wires. I haven't installed it yet. But I was wondering if anyone knew if I needed an extra battery or capacitor or even a bigger alternator. I have a 2004 Honda Odyssey van. This is my first major system and I want everything to go right when I hook it up. If there are any suggestions please reply to this message. Thanks. Please only people who know what their talking about.I dont need any unexperienced people trying to tell me what to do.