I made a video of how the stock exhaust sounds on the Ion Redline. here is the link
http://videos.streetfire.net/Player....D-E6E9062EB399
Left-Click on it.
The video quality is crappy because I hooked a webcam and microphone up to my laptop and thats how i filmed it lol its ghetto but it workes. THe Cobalt SS prob sounds exactly the same.