I've got a 2012 Express regular cab, I've replaced the all the 6x9's, the dash tweeters, all going from a pioneer NEXT 6100 to a fused distribution block, to a kicker 4 channel amp for the 4 Kicker 6x9's, and a Kenwood mono 1000watt peak(300+- RMS) that is powering a Pioneer shallow mount 10"...