sts-31 2008 cadillac sts base sedan 4-door 3.6l 2006 cadillac sts base sedan 4-door 3.6l 2005 cadillac sts base sedan 4-door 3.6l 2007 cadillac sts base sedan 4-door 3.6l nyko intercooler sts for xbox 360 slim 2010 cadillac sts base sedan 4-door 3.6l 2008 cadillac sts platinum sedan 4-door 3.6l 2009 cadillac sts base sedan 4-door 3.6l 2011 cadillac sts base sedan 4-door 3.6l