Solo Performance products are usually in stock and ship fast.  If you want to double check please feel free to email info@juicedmotorsports.com
solo - E24121/E24122 - $236.47
2008-2009 g8 gt/gxp 3" OFF ROAD CONNECTION PIPES (BOLTS KOOKS LONG TUBES TO 3" CATBACK)
Solo 3" off raod connections are designed to bolt your Kooks headers to a custom 3" exhaust or the Solo Mach-X3 catback you can select here.  This will allow for a true 3" system from your Kooks headers to the tailpipes with no necking down.  These connection pipes include no cats for maximum flow.
OPTIONAL CATBACK: