inputs.text: installed 2010f350 crew cab love - installed 2010 f350 crew cab really impressed little 6 100 watt sub not move mirrors like 10 12 boxed sub fit right behind rear seats little wiggling also note ktp445u alpine 4channel 45w rms x 4 installed behind stock head unit also replaced 4 factory speakers truck sounds real nice kept stock controls intact xm sync work fine killer set less 600 installed love