Join Date: Dec 2011
Location: S.W. Pennsylvania
ok, I'm confused....
you are wanting to put a shark fin antenna on your cobalt in the factory XM antenna location?
well, that's easy, remove current antenna, bolt on shark fin
not sure why you would have to patch the hole at that point?
2008 Cobalt LT
SS springs and Stagg struts
Pioneer AVIC-X930BT GPS
Memphis 16-MCH600 "Baby Belle" hybrid amplifier
MB quart Premium 6.5" componant/premium tweeters front
MB quart Premium 5.25 componant/premium tweeters rear
Memphis PR-10" sub in factory sub box
miles and miles of dynamat extreme...