2003 silverado x-cab stepside fully loaded..nelson tune..green CAI..160 thermostat..ls6 intake..pacesetter LT's..3"magnflow hi-flow's..one chamber flow dumped..4L60E PATC 1-2 servo 4th servo..trans go HD-2..ridn 24's...2" 4" drop..detroit tru trac an 4.10's setin n the shop waiting