Most tuners also recommend TR6 with just a CAI and tune.
2008 AWD - efans, CAI, Kooks 1 7/8, tune, trans cooler, Yank 3600, FLT Lvl 5 email@example.com Updated with FLT lvl 7 11/2015
2011 CTS-V Sedan - no longer stock
"Natives who beat drums to drive off evil spirits are objects of scorn to smart Americans who blow horns to break up traffic jams." Mary Ellen Kelly