I have A Rockford Fosgate T4000 and 2 - 300 amp iraggi alts, 2 - Kinetic 2400's What is better 4 Kicker L7 15's or 2 Fi BTL's Fully loaded? Porting the bed of a 02" Chevrolet Silverado Ext. cab Fleetside What Should I Do? And What Should I tune It to?