The cobra has 4.30's gears, intake, tune, exhaust, tko, solid rear axle, 10 point and thats about it.
04 has some rims and exhaust from the midpipe back.
A video for good measure of those haters of cobra r drivers who actually drive their cars....
[nomedia="http://www.youtube.com/watch?v=ngw1iKd8wNc&feature=channel_video_title"]YouTube - 2000 cobra r doing doing work!‏[/nomedia]